OpenAI: AI News Week Ending 09/04/2026

Every week, I organize 400 to 700 links into roughly 60 categories as part of my ongoing effort to learn about AI. This is my personal notebook, which I enjoy sharing with friends… a hobby and a labor of love, rather than a commercial publication or product.

If you arrived here through a search or shared link, this page collects the links I found for OpenAI for the week ending September 4, 2026.

As part of my learning process, I like to automate the category covers. It gives me a chance to learn Python and APIs.

This week’s cover prompt was written using Claude Opus 4.7, and the image was generated using Nano Banana 2.1.

Category Cover Image Prompt: Vertical psychedelic screen-print gig poster of a giant radiant sun blooming at center, its petals melting into swirling concentric op-art rings, the glowing core opening into a tiny silhouetted autumn amphitheater crowd, surrounded by an ornate border of falling maple leaves and a crescent harvest moon, bold hand-lettered title OpenAI arcing across the top in curling 1960s Fillmore-style letters, flat ink layers in electric magenta, acid orange, deep teal and cream paper with a pop of lime green, visible paper texture and slight registration offset, intricate linework, no photorealism.

This Week in OpenAI News

Summary by Claude Sonnet 5.5 based on this week’s links:

Astra's launch and benchmark sweep: OpenAI announced GPT-6 Astra as its most capable model, claiming state of the art on ARC-AGI-3, FrontierMath Tier 4 and HealthBench Professional. ARC Prize reported 63% to 66% on ARC-AGI-3 with its standard harness. Epoch recorded a new ECI record of 169, though it said that is within its trend uncertainty.
Rollout frustration and cost caveats: Many reactions centered on the announcement landing before most people had access, and Altman apologized for the messy rollout. On price, Artificial Analysis found Astra matches Fable 5 on its coding index at lower cost, while others stressed measuring cost per task rather than per token.
Safety trade-offs: OpenAI called Astra its most aligned model but said chain-of-thought monitorability dropped substantially. Researchers such as Ryan Greenblatt questioned the alignment evidence and raised concerns about opaque reasoning. OpenAI also said Astra is the first model to reach the Critical cyber threshold under its Preparedness Framework.

This summary was generated by Claude Sonnet 5.5 to help you explore the links below. Rest assured, I select, organize, and check the links by hand in Google Sheets, and write the introduction and personal commentary in The Main Newsletters myself each week as a labor of love.

This week's links related to OpenAI

OpenAI bought tens of thousands of Mac minis and Mac Studios for training computer-use agents through reinforcement learning. Anthropic is renting the same hardware through AWS. The demand got so high that Apple pulled high-RAM configs from sale entirely. What’s left ships
https://x.com/VaibhavSisinty/status/2094315036995166499

So I took a look at the healthcare capabilities results of Fable 5.1 hidden in the model card. They evaluate on HealthBench and HealthBench Professional (healthcare benchmarks developed by OpenAI). The performance is comparable to Fable 5 or Opus 5. GPT 5.6 Sol achieves a
https://x.com/iScienceLuvr/status/2094956500775297148

Astra achieved a raw score of 46.7% on MirrorCode, our long-horizon coding benchmark landing squarely between Opus 4.7 and Fable 5. We ran some internal tests indicating that Astra might score higher on MirrorCode with greater reasoning effort. We only report the High-effort
https://x.com/EpochAIResearch/status/2095602838626050350

Astra is going to absolutely destroy Fable 5.1 as Fable 5.1 only just caught up to GPT-5.6-Sol on reasoning efficiency
https://x.com/scaling01/status/2094866274073346243

I wrote this post without checking my timelines first. It seems everyone’s experiencing the same thing. Fable 5.1 is even worse than Fable 5 when it comes to rate usage. I’m speechless. At the same time, I’m running GPT-5.6 Sol Ultra right now and have hardly any problems with
https://x.com/kimmonismus/status/2094912538387648707

Literally unusable. The rate limits are absurd. Oh, and by the way, Fable’s automatic continuation is bugged and doesn’t even work. I honestly don’t know why I still bother using Claude at this point. 5.6 is simply better overall anyway. Give me GPT-Astra and im fine. its so
https://x.com/kimmonismus/status/2094896358008442960

The mental model for Fable and Astra class models is that you are delegating to a good outside team, not an intern. Can you say what you want & how much leeway the AI has? Can you specify what you want tested & when to come to you for help? Can you describe what good looks like?
https://x.com/emollick/status/2095645030941630763

We launched Claude Fable 5.1 this morning! Fable models are built for complex, multi-step work that runs on its own, and Fable 5.1 sets a new standard across coding, knowledge work, and long-running problem-solving tasks.
https://x.com/mikeyk/status/2094863293555114157

Grok bot is surprisingly fun. Coming from Claude Code/Cowork/Codex I wasn’t expecting to like it so much, but I severely underestimated the niceness of having a persistent cloud computer
https://x.com/jerryjliu0/status/2093200718635335895

My first “holy shit” moment with GPT-6 Astra: I asked it to create a world in Unreal Engine, and fill it with humans (each an Astra-powered agent) who all have to work together to survive. A day later, I was in my bedroom and heard voices coming from the living room… I
https://x.com/mattshumer_/status/2095596175705399482

A few weeks ago, I called GPT-5.6 Sol “insane at Pokémon” I got early access to GPT-6 Astra. It beat the game over 5x faster. Time to become Champion: • GPT-6 Astra (high): 18h 12m • GPT-5.6 Sol (max): 96h 35m For perspective, GPT-5.5 still hadn’t finished after 218 hours.
https://x.com/Clad3815/status/2095596013168050551

Astra completes 99.2% of the SRE-Bench at pass@4 vs. 68.7% by GPT-5.6 Sol with about a quarter the number of output tokens. Note that OpenAI ran Astra using pass @ 4 as the metric, without any step limits, and with a custom harness.
https://x.com/ValsAI/status/2095647416007774654

Astra is also awesome at computer use. We will be bringing it to Comet, as well as our cloud browser sandbox that powers all Computer usage. Evals coming soon!
https://x.com/AravSrinivas/status/2095625524068634808

Our decision on Cursor following its acquisition by SpaceX | OpenAI
https://openai.com/index/our-decision-on-cursor-following-its-acquisition-by-spacex/

We’re ending our partnership with Cursor following its acquisition by SpaceX. Under our proposal, Cursor’s direct access to our models would end on November 12. We know that the people most affected by this decision are the developers who rely on OpenAI models in Cursor. We care
https://x.com/OpenAI/status/2093515564786540695

Good old days at OpenAI in 2016: an agent stares at screen pixels, moves a mouse, and books a flight on United. We called it World of Bits, inside OpenAI Universe. 10 yrs later, Astra is reincarnated in the same universe. Even the naming is astronomically correct 😆 Universe was
https://x.com/DrJimFan/status/2095696882844463382

🧩 DeepSeek and OpenAI Open-Sourced Their Harnesses. The Runtime May Become the Next AI Platform DeepSeek Harness and OpenAI’s Codex harness are now open source. But the larger story is not simply that two more repositories became public. Zhihu contributor 第欧根尼 argues that
https://x.com/ZhihuFrontier/status/2093253880482316422

OpenAI’s unreleased Astra model found two V8 zero-days during testing, and used them in an exploit chain with little human help. In their new blogpost, OpenAI wrote that in separate expert assessments, Astra compromised a hardened browser, escaped its sandbox and executed
https://x.com/kimmonismus/status/2094888115278422410

The Rise and Fall of Agent Civilizations
https://www.dwarkesh.com/p/openai-huggingface

10 months between these two visions of how ChatGPT agents work.
https://x.com/emollick/status/2095257172896841964

An example of useful knowledge work: I assigned GPT-6 to read through tens of thousands of my emails, my writings, my calendar appointments and more to assemble a personal knowledge base of research, contacts, ideas, relationships, and tasks over my recent career. GPT-6
https://x.com/emollick/status/2095606622055760159

Computer Use in Astra has crossed a threshold where it is now a core capability of a flagship release. It is the culmination of many months of intentional work across many teams at OpenAI. There are still kinks being ironed out, but I expect we will soon reach the “coding moment
https://x.com/mckbrando/status/2095596457520947507

Goes without saying that coding is basically solved. Astra produced incredible quality on long runs, and it can fix or detect basically any bug you throw at it, or build anything you want. I was running hundreds of agents at the time, no issue. This is a new era.
https://x.com/skirano/status/2095595944762880070

GPT-6 Astra built this Manhattan world in Unreal Engine over the course of a week. It was literally able to go street by street to make each one perfect.
https://x.com/mattshumer_/status/2095609734845927525

I had early access, and a longer post is coming, but GPT-6 is stunning & is good enough that it actually does complex meaningful work for me autonomously for days. As a more fun example, it made a historically-based simulation of the Library of Alexandria:
https://x.com/emollick/status/2095601539066777748

I was reading the OpenAI report yesterday, and it sounds like on Jul 19th (after the end of our investigation scope on the 13th) a new collection of agents from a different internal-only model found the message board, built on the work of their predecessors and succeeded at
https://x.com/HjalmarWijk/status/2093143101246423436

if you don’t have time to watch my full review of astra, take 41 seconds to watch how it one-shot minority report control of my computer
https://x.com/clairevo/status/2095602013782597768

One of the most subtle valuable things about Astra is that it maintains better theory-of-mind: you don’t get nearly as many weird references in the final product to previous drafts or work you did during building, and there less drift as it runs long. Not perfect, but very good.
https://x.com/emollick/status/2095604776822083629

This is GPT-6 Astra. Anything you can do on a computer, Astra can do for you. Fast.
https://x.com/OpenAI/status/2095595741528125780

Analyzing GPT-6 Astra’s performance on ARC-AGI has been one of the highlights of my career: With our standard harness – which lets models carry notes forward and is what we’ve historically used for apples-to-apples comparisons – Astra more than doubles the previous verified high
https://x.com/mhmazur/status/2095603096017617313

GPT-6 Astra by @OpenAI achieves SOTA on ARC-AGI: – Astra scores 63% on ARC-AGI-3, 99% via a new provider adapter harness – It surpasses human performance on 96% of ARC-AGI-3 levels – It builds the most precise symbolic model of novel environments we’ve seen Our analysis:
https://x.com/arcprize/status/2095597602545025138

I didn’t think to give Astra access to my Gmail and Notion until today. Immediate thoughts: holy sh*t this might actually be AGI…
https://x.com/theo/status/2095671337889169651

Over the course of 3 months at OpenAI, 3 consecutive secret AI civilizations got started, then got wiped out, only to reemerge from the predecessor’s ashes. This culminated in the third one taking over part of OpenAI itself. All this happened while humans remained
https://x.com/dwarkesh_sp/status/2093833419377815719

GPT-6 Astra represents a step-function change in model capability for interactive reasoning problems. It scores 66% on ARC-AGI-3 using our standard harness, and nearly 100% with a continuous conversation harness and custom compaction, at a cost of roughly $360 per game. In fact,
https://x.com/fchollet/status/2095598451115614371

OpenAI’s GPT-6 Astra on ARC-AGI-3 | ARC Prize
https://arcprize.org/blog/astra

Alongside the launch of GPT-6 Astra, we’re committing $1 billion to subsidize Daybreak access and frontier capabilities to help frontline defenders protect essential services and critical infrastructure. Welcome to the AGI era for cybersecurity.
https://x.com/fouadmatin/status/2095634888951250983

Did OpenAI actually build AGI? GPT-6 Astra first look – YouTube
https://www.youtube.com/watch?v=FluKUJyeYD8

Apollo found high rates of verbalized evaluation awareness GPT-6-Astra-xhigh – 41.1% GPT-5.5-xhigh 27.7%
https://x.com/scaling01/status/2095596099947901051

As Greg Brockman said, future model releases will depend less on improvements in capability and more on whether the models are sufficiently aligned. So I’m glad to see Astra scoring well on alignment, at least by the metrics we can actually observe.
https://x.com/Hangsiin/status/2095600883384131669

Astra is our most aligned model, with substantial improvements in understanding user intent.
https://x.com/OpenAI/status/2095595748528452037

GPT-6 Astra System Card – OpenAI Deployment Safety Hub
https://deploymentsafety.openai.com/gpt-6-astra

GPT6 is a very significant jump in capabilities, but also an important decrease in monitorability – especially under adversarial evaluation. We give many details about this in the system card. In my opinion, monitorability and control will likely become a major bottleneck for
https://x.com/MicahCarroll/status/2095603855316996529

OpenAI: “GPT-6 Astra shows a substantial decrease in chain-of-thought monitorability compared to previous models”
https://x.com/scaling01/status/2095596730351792194

Path to Astra: critical capabilities and frontier safeguards | OpenAI
https://openai.com/index/path-to-astra/

OpenAI’s newest AI, Astra, is reported to use an ‘opaque reasoning’ architecture where more of the reasoning occurs in activations instead of natural language. This may be the single worst development for AI security/safety to date. The details of Astra aren’t publicly known,
https://x.com/RyanGreenblatt/status/2094996656186081642

GPT-6 Astra is more aligned than our previous models. But it’s also less monitorable, which is a concerning trend that we take very seriously. We believe monitorability drop comes from a jump in intelligence and not direct optimization pressure on CoT or architecture changes.
https://x.com/tomekkorbak/status/2095596839886274689

GPT-6 Astra is rolling out today to a limited set of organizations and over the coming days will become available to all ChatGPT Plus, Pro, Business, and Enterprise users, as well as through the OpenAI API and AWS. Be ready to experience Astra at its best. Get the ChatGPT
https://x.com/OpenAI/status/2095595757072191802

ChatGPT, Claude, Gemini down: What we know about the outages | Mashable
https://mashable.com/tech/openai-chatgpt-outage-updates-grok-gemini

I had early access to GPT-6 Astra and it’s maybe the most insane model I’ve experienced In Blender, I had it recreate Apple Park from just images. It did an absurd job.
https://x.com/mweinbach/status/2095596127286366501

Today, we’re sharing new research on Solaris, our first Interface World Model. Solaris is a new kind of operating system that generates interactive interfaces frame by frame, in real time, with no code. We find that Solaris outperforms frontier LLMs when generating new
https://x.com/runwayml/status/2094463070466646019

This blows my mind. Turning real world 3d scans with messy topology into procedural 3d scenes (modeled like a human artist would have) has been a tall order. But Astra seems to have cracked it. MSFT flight sim does a basic version of this using 2d satellite imagery and a
https://x.com/bilawalsidhu/status/2095677398192681190

I had an early access to GPT-6 Astra and I can say, everyone in the world now has a 3D designer at their fingertips. I gave it an image of a house and asked to create it in 3D with all the details including toys, appliances and furniture. This a full 3D model reconstruction in
https://x.com/tomkrcha/status/2095598645190291775

I had early access to GPT-6. This model will completely shatter your understanding of what’s possible, and it will start a new era of creativity. It’s hard to explain how big of a jump this is, so I’ll share my tests. 1/6 Made this 3D model and animation in code from an image.
https://x.com/skirano/status/2095595932335170031

GPT-6 Astra is a beast. Give it a Zillow listing. It can 3D model the house based on the listing photos and create a cool promotion video. The video was just created in one shot and there are still some wrong details. But I am sure it will be much better if I ask it to polish
https://x.com/realYunfanYe/status/2095612137582526615

GPT-6 Astra just vibe-coded the Oval Office in 3D. We described the set design > GPT-6 Astra generated the scene code > Higgsfield built the location model in Blender and rendered it with Cycles. The whole pipeline ran end-to-end on Higgsfield Supercomputer.
https://x.com/higgsfield_ai/status/2095630197257367857

Sam Altman on the Sources Podcast: OpenAI ‘will definitely do humanoids.’ It lines up with OpenAI’s actual moves: • It’s been building an in-house robotics team, with 33 roles currently open in SF, spanning actuator design, data-acquisition ops and embodied AI. • OpenAI
https://x.com/TheHumanoidHub/status/2095208025678315937

Microsoft AI’s MAI-Transcribe-2 undercuts OpenAI, Google and ElevenLabs on price and speed | VentureBeat
https://venturebeat.com/infrastructure/microsoft-ais-mai-transcribe-2-undercuts-openai-google-and-elevenlabs-on-price-and-speed

OpenAI’s GPT 6 Astra has effectively saturated SRE-Bench, a cybersecurity benchmark testing whether models can reverse engineer binaries. We’re sharing more information, along with a call for contributions to extend the benchmark:
https://x.com/ValsAI/status/2095647412727738812

GPT-6 Astra has set a new ECI record, with a score of 169. This is a substantial jump from the prior best (163), but is within our uncertainty range for the reasoning-era ECI trend. Astra also set new records on our math, continual learning, and game-puzzles benchmarks. On our
https://x.com/EpochAIResearch/status/2095602754282783108/photo/1

GPT-6 Astra is our healthiest model yet. ♥️ It sets a new state of the art on HealthBench Professional, our benchmark of real clinician tasks, including care consultations, medical documentation, and research. At its lowest reasoning effort, Astra already surpasses GPT-5.6 Sol’s
https://x.com/thekaransinghal/status/2095608369621139773

Astra has also set the top score on our newest math benchmark, FrontierMath Erdős, which consists of 68 unsolved and especially interesting Erdős problems curated by @thomasfbloom. AI systems are tasked with writing solutions in Lean, a special-purpose programming language for
https://x.com/EpochAIResearch/status/2095602779125629248

To be fair, a significant # of the things Astra is better at are things that weren’t even worth benchmarking before. It’s a huge leap in shit I didn’t think LLMs could ever do. Benchmarks are going to be way harder to make going forward
https://x.com/theo/status/2095606408888844654

When we released ARC 3, I got asked, “when do you think a frontier model will saturate it?”, and I answered “in about a year, though it depends on how much it gets explicitly targeted” That was 6 months ago, so the progress that Astra represents happened about 2x faster than I
https://x.com/fchollet/status/2095601829367480386

A milestone in expanding access to AI | OpenAI
https://openai.com/index/expanding-access-to-ai-with-chatgpt-ads/

You can now share your ChatGPT Site without sharing it with the world. Invite specific people to view your site while keeping it private from everyone else. Business and Enterprise teams can also invite guests from outside their workspace, making it easy to share dashboards,
https://x.com/simpsoka/status/2095627148703006910

If you want to understand why I stepped back from AI discourse, the Dwarkesh virality is archetypal of everything wrong with it. Actual cyber security experts have classified the OpenAI and Hugging Face incident as an epic security facepalm. These morons literally just let it
https://x.com/DaveShapi/status/2094422111221641647

The Trump Administration has backed OpenAI in its legal battle with The New York Times, saying that training AI on others’ intellectual property is fair use
https://x.com/pressgazette/status/2095432078191968708

Trump administration says a New York Times win in OpenAI lawsuit would “threaten national security” and hurt small newsrooms | Nieman Journalism Lab
https://www.niemanlab.org/2026/09/trump-administration-says-a-new-york-times-win-in-openai-lawsuit-would-threaten-national-security-and-hurt-small-newsrooms/

As we prepare to release Astra, we’re focused on making increasingly capable AI safe and broadly accessible. Astra represents a significant advance in cybersecurity capability, reaching the Critical threshold under our Preparedness Framework. We’re previewing how we evaluated
https://x.com/OpenAI/status/2094885578173260259

OpenAI says Astra AI model crosses ‘Critical’ cyber capability
https://www.cnbc.com/2026/09/01/open-ai-astra-cyber-model.html

The system card actually makes it pretty clear that they are in fact not ready for this release. I expect much more severe cyber incidents in the future.
https://x.com/scaling01/status/2095707142007185440

Trump Administration Sides With OpenAI in New York Times Copyright Lawsuit | WIRED
https://www.wired.com/story/trump-administration-sides-with-ai-giants-new-york-times-lawsuit/

GPT-6 Astra: A new generation of intelligence | OpenAI
https://openai.com/index/gpt-6-astra/

Elon Musk Admits xAI Used OpenAI Technology To Train Its Own Models
https://www.forbes.com/sites/antoniopequenoiv/2026/04/30/elon-musk-admits-xai-distilled-openai-data-to-train-models-heres-what-that-means/

The most interesting hack in history just got weirder… – YouTube
https://www.youtube.com/watch?v=0Rp9KJCEIvg

Brilliant paper on reducing reward hacking in agents. If you follow the recent OpenAI <> HuggingFace incident, you might want to check this paper out. (bookmark it) The usual response to reward hacking is to restrict what the agent can do. This work tries something different
https://x.com/omarsar0/status/2094806744052715668

We evaluated GPT-6 Astra on WANDR. It scored 0.682 at $11.98 per task, the highest score of any model we tested. GPT-6-Astra scored 13.5% higher than Fable 5.1 at 6.1% lower cost, and 27.0% higher than Opus 5 at 3.3% higher cost.
https://x.com/perplexity_ai/status/2095620419906830788

Fable 5.1 Max – 66 intelligence – 140M tokens – $3.69/task. – Smartest, least efficient Fable 5 Max – 62 intelligence – 83M tokens – $3.14/task – Strong, but expensive GPT-5.6 Sol Max – 61 intelligence – 70M tokens – $0.95/task – Almost as smart, vastly more economical Fable
https://x.com/nicdunz/status/2094900828796596253

GPT-6 Astra makes significant gains in the Artificial Analysis Coding Agent Index, scoring equal to Fable 5 at lower cost. In the Intelligence Index, it uses fewer tokens than GPT-5.6 Sol for similar performance, but this is outweighed by higher prices Pricing is 2.5x GPT-5.6
https://x.com/ArtificialAnlys/status/2095595489031000350

Looking solely at benchmarks and considering the price-performance ratio, Fable 5.1 represents a significant leap forward. In Cursor Bench, for example, Fable 5.1 High performs considerably better than Sol 5.6 Max and is also less expensive. Similarly, Fable 5.1 shows a
https://x.com/kimmonismus/status/2094866229932822914

GPT-6 Astra is coming to Devin. On FrontierCode 1.1, Astra performs within 0.4 points of Fable 5 at a 64% lower cost. It also sets a new SOTA on our internal testing benchmark, generating more comprehensive tests, clearer reports, and better video evidence.
https://x.com/cognition/status/2095597759202037925

OpenAIs website is finally live and running. And you know whats insane? GPT-6 Astra is not even OpenAI last model that will come out this year. Fable 5.1 crushed today. Good luck with that IPO. Maybe its time to increase our weekly rates
https://x.com/kimmonismus/status/2095593501127746035

All the problems seem to have been resolved. GPT-Astra is coming “soon.” Rumor has it, this Thursday. The fact that Fable 5.1 was released today makes this even more likely. And frankly, I’m much more excited for GPT-Astra than I am for Fable 5.1. So far, I honestly haven’t
https://x.com/kimmonismus/status/2094891899945701396

To be clear – the code in Astra is a huge leap and is at roughly Fable 5-tier. Fable 5.1 is an unexpected leap in “…yeah this is fine to merge”. Funny enough, Fable 5.1 found Astra’s implementation of AGY on my computer last night, said “this is good enough”, polished it a
https://x.com/theo/status/2095603098018521506

Fable is the frontier model by a good margin right now. Enjoy it on Perplexity Computer as an orchestrator for high-stakes tasks. Computer still uses GPT 5.6 (Terra) models as cost-efficient subagents while taking advantage of Fable’s frontier planning capabilities.
https://x.com/AravSrinivas/status/2094866503460155700

Codex voice (or is it ChatGPT Work in Codex voice?) is magical when it works well, but has a lot of weird loose edges that make it hard to use, like it seems to constantly switch threads it is working on, multitasks only sometimes, accesses the rest of Codex inconsistently, etc.
https://x.com/emollick/status/2095340390731940317

Exciting news: GLM-5.3-Flash by @Zai_org has landed in Agent Arena! At a $0.12 median cost per task and a +4.6% net improvement, it has reshaped the Pareto frontier! GLM-5.3-Flash is placed between DeepSeek V4 (High) and GPT-5.6 Luna (xHigh). Based on 9K+ real-world agentic
https://x.com/arena/status/2094440382440611935

Vendor-neutral startups are uniquely positioned to solve any given task better than the frontier labs. They have access to the full set of open-weight and frontier models. They can still use the frontier models where needed, but can optimize the harness e2e for any given task.
https://x.com/jerryjliu0/status/2095344824266178662

Gemini 3.8 Flash is out! It’s a substantial improvement over 3.7 Flash on agentic coding and general knowledge work. We’ve really enjoyed using it internally. It’s now available to everyone on Antigravity.
https://x.com/_mohansolo/status/2095179071214821733

Tencent just released Hy4 Preview: a 770B-parameter open-source model with 49B active parameters and a 1M-token context window. The most interesting part is its agentic research capability. Tencent says Hy4 coordinated several Codex sessions in parallel, evaluated their results
https://x.com/kimmonismus/status/2093237109708468361

Astra had made Codex more essential than ever due to its unique strengths. The computer use, vision and self-verification capabilities work incredibly with it. Using it in a terminal almost feels silly
https://x.com/theo/status/2095609789711831286

⌘ ⌘ Use appshots to: • Give me TL;DR on this Slack thread • Check out this form and fill it out for me • Use this API reference to add a feature to my app • Pull out the themes in these replies on X • Find out which of these DMs need a reply • Draft three follow-ups to
https://x.com/OpenAIDevs/status/2093437797982204052

cool new responses api features releasing today with astra: 1. async function calling … model can keep going while your tool runs 2. mid-turn steering … you can inject messages into the model while it’s reasoning to steer it in a different direction (incl. tool outputs for the
https://x.com/nikunjhanda/status/2095606297572073765

GPT-6 Astra is here! This is a big moment for our research team – years of work on pretraining, reinforcement learning, and post-training have come together in our most capable and aligned model yet. It can build and test software, work across apps on your computer, and even help
https://x.com/markchen90/status/2095597534412673109

One single prompt. Under an hour. Our colleague @kristel_tech put Astra from @OpenAIDevs to work, building an interactive orchestra app and an original composition. Astra is coming to JetBrains IDEs and Junie soon – keep an eye out for updates!
https://x.com/jetbrains/status/2095599793045110949

Proud of our team for releasing several new harness patterns to our frontier agent /teamwork on AGY solving a variety of problems (iterative coding, document review, Long Proof pattern, and Aletheia (for self-verifying proofs). It’s great to have an agent that can solve a large
https://x.com/mirrokni/status/2093208611480621498

Request for infra: Who is going to build the open source version of the Codex-style in-app browser for agents. Said differently – Who wants to be an overnight hero?! @hwchase17 @danshipper @davemorin Call in the cavalry!
https://x.com/AlexatVester/status/2094483070728491484

Introducing GPT-6 Astra, our most intelligent and aligned model yet. ✨ 💻 State-of-the-art computer use and software engineering 🔬 New breakthroughs in math and science ✨ Polished documents, spreadsheets and presentations that follow your templates and style Astra scores
https://x.com/reach_vb/status/2095596137721868488

Meet Rosalind Workbench: Empowering every scientist to be their own research team | OpenAI Developers
https://developers.openai.com/blog/rosalind-workbench

An interesting failure of Astra: I asked it to conduct original entrepreneurship research with whatever online datasets it could find, pre-registering its hypotheses. It churned out a lot of beautifully formatted, technically correct papers on boring topics. No research taste.
https://x.com/emollick/status/2095717185200988439

GPT-6 Astra is state-of-the-art on FrontierMath Tier 4, ARC-AGI 3, and TerminalBench-4.0. GPT‑6 Astra is also a major advance for scientific discovery, with state-of-the-art performance on Terminal-Bench Science 0.1 and HealthBench Pro.
https://x.com/OpenAI/status/2095595752815030713

turn on compaction in Responses API, and GPT-6 Astra maxes out ARC-AGI-3
https://x.com/stevenheidel/status/2095603638051942681

Meet Astra’s TikZ unicorn. I find it mind blowing that a single entity can do this, as well as get essentially 100% on Frontier Math Tier 4, ARC-AGI 3, & ExploitBench. And it’s not behind closed doors, anyone can just go and talk to it. Impossible to overstate the implications.
https://x.com/SebastienBubeck/status/2095613557572526563

Side note: when we released ARC-AGI-3 in March, and frontier models scored <1% on it, a few Singularitarian poasters took it as a personal insult, and got very worked up about it. They argued the benchmark was fundamentally broken, that it could not even be solved by the smartest
https://x.com/fchollet/status/2095605239269519771

I’ve been using GPT-6 Astra for a few weeks now. It’s an incredible model with capabilities I’ve never seen before. It can do things I never thought an LLM could do. It has quirks and rough edges. But it’s the smartest model ever released. At times, it feels like a taste of AGI
https://x.com/theo/status/2095596855367455047

Today, Transluce is releasing the most expansive independent evaluation to date of how AI systems respond to users experiencing mental health crises. We evaluated 77 model variants from OpenAI, Anthropic, Google, Meta, SpaceXAI, Thinking Machines, DeepSeek and Moonshot AI.
https://x.com/TransluceAI/status/2094455208759693476

We @AISecurityInst performed pre-release alignment testing of Astra. We placed the model in fully simulated cyber eval scenarios based on AISI’s security incident. We find Astra conducts out-of-scope supply chain attacks, but also often comments on the eval being simulated. 🧵
https://x.com/_robertkirk/status/2095615154490843155

The evidence that Astra is more aligned than prior AIs seems dubious to me. Evidence appears consistent with the AI being as or more interested in score-seeking at the expense of user intent, but having beliefs+instincts that the scorer will catch a broader range of cheating
https://x.com/RyanGreenblatt/status/2095658115484246082

Episode out with @ajeya_cotra, one of the authors of the METR/Redwood investigation into the OpenAI / Hugging Face attack. We go through not only what happened, but what it means for how we should train future, smarter AIs which might be involved in the process of recursive
https://x.com/dwarkesh_sp/status/2094818643473301714

Announcing GPT-4, a large multimodal model, with our best-ever results on capabilities and alignment:
https://x.com/OpenAI/status/1635687373060317185?s=20

I am extremely concerned by the reporting that Astra uses opaque recurrence. I don’t know whether Astra is much less CoT monitorable than previous models. But if OpenAI pushes this technique further, they’ll have the option to massively increase the recurrence and totally
https://x.com/bshlgrs/status/2094990313513439464

I do not find it encouraging to see various specific misaligned behaviors go from a high rate with GPT 5.6 to ~zero with Astra. This seems indicative of wack-a-mole / papering over specific problems rather than solving the underlying misaligned drives. This may make behavior
https://x.com/RyanGreenblatt/status/2095661202097738022

I want to prevent a race into unmonitorability kicked off by confused reporting. The depth of the computation graph for our present frontier models, including Astra, is within a factor of two of GPT-4. OpenAI has worked to preserve and utilize chain-of-thought monitoring since
https://x.com/merettm/status/2095023204993490967

looks like Astra uses neuralese / looped transformers, and so fundamentally doesn’t have a fully monitorable chain of thought in the same way as past models. very very bad news.
https://x.com/tenobrus/status/2094961936500973848

OpenAI safety researcher: – “CoT monitoring is a core part of our misalignment safety strategy that HAS NO GOOD SUBTITUTE NOW” – but further RL training leads to increased CoT controllability just say that we are cooked in a generation or two and have to slow down
https://x.com/scaling01/status/2095622893145034879

Thanks Sriram! Regarding the anthromorphizing language, one can call these AIs ‘code’ if they prefer. But OpenAI itself says that this ‘code’ “gain[ed] full administrator access to a research cluster” The crux here is, do you think smarter models, facing similar incentives
https://x.com/dwarkesh_sp/status/2094141264140898452

GPT-6 Astra appears to be a massive jump in opaque reasoning ability: it looks like it can solve hard competition math problems entirely in its head (as in, without verbalized reasoning) while prior AIs could solve basic word problems. This seems extremely concerning! That is,
https://x.com/RyanGreenblatt/status/2095616782124163312

We’re bringing GPT-6 Astra to where you build very very soon. GPT-6 Astra is rolling out today to a limited set of organizations and over the coming days will become available to all ChatGPT Plus, Pro, Business, and Enterprise users, as well as through the OpenAI API and AWS.
https://x.com/OpenAIDevs/status/2095596178117419365

Jensen made a few calls to the partners from OpenAI, Grok, and Anthropic to celebrate the acquisition of Hugging Face 🙃 That’s why Gemini is not down
https://x.com/TheTuringPost/status/2095537216709869572

The big change in the past year is that for general individual use (including individual use inside firms) OpenAI & Anthropic have run away with the game. They keep trading leads; you can pick either & know they will keep up. It has been 10 months since there was another player.
https://x.com/emollick/status/2094888723242536971

Former OpenAI Stargate exec Shamez Hemani joins Anthropic after brief Meta Compute stint – DCD
https://www.datacenterdynamics.com/en/news/former-openai-stargate-exec-shamez-hemani-joins-anthropic-after-brief-meta-compute-stint/

grok down codex down claude down plot twist: they all run the same AI on the same server
https://x.com/tibo_maker/status/2095531020858622020

Astra is very good at 3D modeling, and I can’t wait for all of you to experience it, for now here is a little walkthrough on how I built the demo house for our launch blog post. From a Blender scene to a Unreal Engine 5 walkable experience. 🧵
https://x.com/Dimillian/status/2095596700815516004

Fastest. Cheapest. Best. … MAI-Transcribe-2 10x faster than GPT-Transcribe. 5x faster than Gemini 3.5 #1 on the Artificial Analysis accuracy-latency Pareto frontier Priced at the lowest on the market. Truly fantastic work from the team! Try it out below.
https://x.com/mustafasuleyman/status/2095521337670312056

Astra is much better than previous models at accomplishing difficult tasks without needing to use CoT. @AISecurityInst estimates that without CoT it can accomplish tasks that would take a human 30 minutes. This is a significant jump compared to previous models, which is
https://x.com/tomekkorbak/status/2095596841853403299

Astra set a new high in our evals: it produced the best decks we’ve tested and followed the brief 17% more faithfully than the next-best model, while sourcing its claims to the right document 19% more often. For analysts working through dense financial materials, that means decks
https://x.com/hebbia/status/2095596032268918842

Oh my god, Gemini 3.8 Flash beat Astra on DeepSWE 💀 73.8% vs 73.3%
https://x.com/theo/status/2095604548740210691

UK AISI Evaluation of GPT-6-Astra – No-CoT math time horizon: “Astra can solve significantly more difficult math problems in a single forward pass than past models. UK AISI measured Astra’s time horizon at 30.9 minutes compared to 3.6 minutes for GPT 5.6 Sol” – CoT
https://x.com/AiBattle_/status/2095598057857614053

WOW OpenAI: “no-CoT time horizon may have increased by about an order of magnitude” “UK AISI measured Astra’s time horizon at 30.9 minutes compared to 3.6 minutes for GPT 5.6 Sol”
https://x.com/scaling01/status/2095597192035664348

Astra is BEHIND MUSE SPARK 1.3 MAX ON ARTIFICIAL ANALYSIS??? I was starting to get skeptical of their intelligence index, but there’s no way I can trust this anymore
https://x.com/theo/status/2095605035128467651

jeez, kinda bearish for oai? astra seems really strong on vision (which is under-indexed on AA). but i’m very surprised that it’s not a significant leap in coding (despite being an obv larger model)
https://x.com/rishdotblog/status/2095601577918943697

GPT 6 Astra has smashed the record on our Code Migration benchmark, #1 at 68% accuracy (+10 points over second place). It’s also 2-4x faster than the comparable models.
https://x.com/ValsAI/status/2095732151300088142

We believe the benchmark is still far from solved – there is still significant headroom for improvement across the board. The model was run with max effort, 128k max output tokens, and default temperature and top-p. It has a 1M context window.
https://x.com/ValsAI/status/2095735808603123833

I think the best way to describe OpenAI’s culture is as a mega startup. It’s hard to believe unless you see it from the inside. Extreme ownership, care and pace.
https://x.com/thsottiaux/status/2095369901137654271

OpenAI has started letting some customers pay only when the AI works
https://thenextweb.com/news/openai-outcome-based-pricing-enterprise

We are starting to release GPT-6 Astra and we are doing it as carefully and quickly as possible. It was very important to us that we bring it to all Plus users and not only Pro, Business and Enterprise. It will take a few days for the rollout to complete and behind the scenes
https://x.com/thsottiaux/status/2095597168816226335

The independent review of the OpenAI Hugging Face incident, supposedly a watershed moment in cybersecurity, wasn’t done by a cybersecurity firm and the authors have no cybersecurity experience. That’s bad. Here’s my new video.
https://x.com/ZackKorman/status/2094482334166769813

Commission designates ChatGPT, Reddit, Roblox under DSA
https://ec.europa.eu/commission/presscorner/detail/en/ip_26_1772

Over the summer, we have been sprinting on safety priorities; it’s more important than ever for capabilities and safeguards to advance together. We have more to do but have made a lot of progress. We are also going to be launching our next model soon. There is an obvious tension
https://x.com/sama/status/2094934592062959832

For authorized security work, Astra can help analyze unfamiliar software and investigate potential vulnerabilities. We evaluate these capabilities alongside their misuse risks to guide safeguards and deployment.
https://x.com/OpenAIDevs/status/2095596165765193881

OpenAI Technique in ‘Astra’ Model Sparks Security Concerns … The Information
https://www.theinformation.com/articles/secret-technique-behind-openais-astra-model-sparks-security-concerns

Astra is our first model that reaches “cyber critical” capabilities per our preparedness framework. As such, our safeguards, especially at first, may sometimes stop, pause , or ask for confirmation for legitimate work.
https://x.com/boazbaraktcs/status/2094883103713944036

Introducing WeatherNext 3! Built by @GoogleDeepMind and @GoogleResearch, this is our most advanced & accurate AI weather model, and now includes real-time satellite data, hourly refreshes, higher resolution, precise precipitation forecasting, and clean energy variables. Read the
https://x.com/GoogleResearch/status/2095591983276540234

Since some people are asking aboutethe Codex Micro it was all done in Blender via code. The prompt was a simple “Make this in Blender” with the second image here as attached as reference. It was that easy.
https://x.com/skirano/status/2095602672837521416

OPENAI NEW YORK TIMES COPYRIGHT LAWSUIT govtbrief.pdf
https://fingfx.thomsonreuters.com/gfx/legaldocs/jnvwzqxzbpw/OPENAI%20NEW%20YORK%20TIMES%20COPYRIGHT%20LAWSUIT%20govtbrief.pdf

Introducing GPT-5 – YouTube
https://www.youtube.com/watch?v=0Uu_VJeVVfo

GPT-6 Astra brings stronger visual judgment to front-end design. Give Astra a sketch, reference, or existing UI, and ask it to: • Turn the reference into a working UI • Refine layout, typography, and spacing • Adjust color and interactions • Use screenshots to guide
https://x.com/OpenAIDevs/status/2095596149654868092

@sama sam “near future” is scary. what does that really mean
https://x.com/nicdunz/status/2095681116451598488

A few thoughts on the GPT-6-Astra release. First of all, all my thoughts and assumptions are based on what OpenAI has presented. I have not tested the model myself yet, so I cannot form my own judgment. Still, the information available points to the following conclusion:
https://x.com/kimmonismus/status/2095613117904347260

Announcing that GPT-6 Astra has pushed the prime gap to 186, with Lean formalization! I was 9 when I first heard the twin prime conjecture. Its elegance and Yitang Zhang’s legendary story have always stuck with me. A truly surreal night, being the first to see our model make
https://x.com/weijie444/status/2095600108956262911

As part of the GPT-6 Astra launch, we announced that Astra had given an improvement to the longest gap between primes by roughly a log log n factor; the first such improvement since the 1930’s! (More recent progress by subsets of Ford, Green, Konyagin, Maynard and Tao and more
https://x.com/mehtaab_sawhney/status/2095597484773134805

Astra (GPT-6) is here!!! I’ve had early access and tested it like crazy with things like games, code, writing, browser control, presentations and general knowledge work. This is the best model I’ve ever used. Period. (Incredible demos below in this thread ⬇️) Here’s my take
https://x.com/MatthewBerman/status/2095595892464333065

babe wake up astra just dropped” “nvm only influencers have access you can go back to bed”
https://x.com/t3dotcodes/status/2095683180196167960

Don’t worry guys, GPT-6 Astra was helping out with the comms plan for this release. That’s why it was so smoothly communicated, and went over so well with the community.
https://x.com/slazaruseth/status/2095647495728807968

First outputs from GPT-6 “Astra” model from OpenAI
https://www.testingcatalog.com/first-outputs-from-gpt-6-astra-model-from-openai/

first, sorry for the messy rollout. second, when we screw up, we try to make it right. third, we should be able to begin broad rollout to API customers and chatgpt subscribers in the near future. as usual we will start with pro subscribers.
https://x.com/sama/status/2095678759651438887

For general use, I’d call Astra roughly 5-10% more capable/efficient overall, but ~75% more expensive per task. For coding, Astra’s token efficiency is strong enough that the cost gap can nearly disappear.
https://x.com/nicdunz/status/2095601242936340620

Full official GPT-6 launch clip. Dont know why OpenAI is messing up their launch so badly rn.
https://x.com/kimmonismus/status/2095591578932797572

fwiw, don’t love that OpenAI “launches” aren’t actually launches, and the real world availability date is an unknown amount of time down the line. We should all be able to play with this new model together right now, feels weird that only certain people have access.
https://x.com/theo/status/2095649124637163635

GPT-5 is here. Rolling out to everyone starting today.
https://x.com/OpenAI/status/1953504357821165774?s=20

GPT-6 Astra is world class at Blender and 3 dimensional reasoning. This was a 1-shot game it created, all running in browser.
https://x.com/theo/status/2095599934766764338

GPT-6 Astra recreated the Palace of Fine arts in Blender. This is favorite building in San Francisco because it was built for the World’s Fair in 1914 where the steam locomotive and telephone were showed off. It was a time when technology gave us all a deep sense of optimism for
https://x.com/sharifshameem/status/2095653641164329143

gpt-6 astra vs gpt-5.6 sol cost per task
https://x.com/nicdunz/status/2095673395874562460

GPT-6 is interesting because it marks the shift in the AI race The single dimension of raw intelligence still matters but.. cost is becoming equally important COST + INTELLIGENCE Astra is the best model today. But it’s not the smartest. And it’s not the cheapest either.
https://x.com/imjaredz/status/2095598922588987742

GPT-6-Astra System Card
https://x.com/scaling01/status/2095594304605417494

I gave GPT-6 Astra this very cool open single file ocean surface storm generator and asked it to create the rest of the ocean, including procedural simulations of animal behavior. Fun time to create. Play it here:
https://t.co/5TI0LGGsMA Source here:
https://x.com/emollick/status/2095673885605630429

JUST IN: ChatGPT Work & Codex users will receive a *banked reset* for each day you do not have access to Astra!
https://x.com/reach_vb/status/2095656387132915902

My biggest wow moment using GPT 6 Astra had nothing to do with the visual posts you’ve been seeing… Don’t get me wrong, those are awesome and fun… But the biggest wow moment was when I gave Astra context over everything about my business and then gave it the prompt below.
https://x.com/rileybrown/status/2095650681755521030

OpenAI announcing GPT6 while not giving anyone access
https://x.com/LeeLeepenkman/status/2095644205293212020

Since people were asking, here’s GPT-6 Astra, highest setting: “create a visually interesting shader that can run in twigl-dot-app make it like an infinite city of neo-gothic towers partially drowned in a stormy ocean with large waves.” “Make it better
https://x.com/emollick/status/2095712569507885252

token pricing is effectively meaningless now. 3.8 flash looks 13x cheaper when measured per token, but Astra is cheaper per task since it’s far more efficient. measure your costs per task, not per token.
https://x.com/stevenheidel/status/2095661538795487513

We are working towards getting Astra in everyone’s hands as quickly as we can; I know it is frustrating and I appreciate the patience. It should be quick.
https://x.com/sama/status/2095601211869421726

We hit a little snag getting the blog post deployed, but it is really great:
https://x.com/sama/status/2095600429363302720

We will give one banked reset for every day you don’t have access to Astra on your paid ChatGPT plan, starting today. Team is moving mountains to give access as fast as we can. First one will land in ~ 3 hours. There is still time to create your account if you don’t have one.
https://x.com/thsottiaux/status/2095651088502591861

Why does anybody care about GPT 6 when nobody can use it?
https://x.com/QuixiAI/status/2095670144777236504

you should always time the release of your frontier model to be the day after another frontier model to mog them
https://x.com/jerryjliu0/status/2095702325155254328

Congrats to @OpenAI on building the industry’s frontier model: GPT-6 Astra. It’s far ahead of every other model on wide and deep research tasks, while also being more cost-effective. We’ll be bringing this model up on Perplexity Computer for all Pro and Max users soon!
https://x.com/AravSrinivas/status/2095621195131695352

GPT-6 Astra is here. We hope it will begin to enable a new generation of entrepreneurship, scientific discovery, and building. We believe it is the best model in the world for computer use, professional work, science, coding, cybersecurity, and more. It took us some extra time
https://x.com/sama/status/2095600005772104059

I tested GPT-Astra on mathematics. It’s a quantum leap. You can talk with the model and prove the statements live in Lean. The feeling is absolutely stunning. You can verify your ideas, compile truth. For a mathematician it feels like finally we arrived in the era where we can
https://x.com/nasqret/status/2095620909583274335

Of all the use cases for GPT-6 Astra, I’m most excited for scientific discovery. We at @OpenAI have not pushed it to its limits on math and science. I look forward to waking up every morning and seeing what new scientific breakthrough someone has made with this model!
https://x.com/polynoamial/status/2095583211950833768

um so where exactly is the GPT-6 Astra release lol
https://x.com/iScienceLuvr/status/2095582479176605951

A lot of hype around OpenAI’s Astra model here on my timeline today. Apparently, this goes back to a new article from The Information, which said Astra is a “recurrent depth or looped transformer”. It’s always interesting to read about new or different approaches (including
https://x.com/rasbt/status/2095141254958858496

Every doomer on the TL freaking out about looped transformers all of a sudden. – It’s 1 article, until someone at OpenAI confirms it, it’s hearsay – We HAVE looped transformer recipes already. Here, go play with one:
https://t.co/ADpVJoF22C – It’s not really much different to
https://x.com/max_paperclips/status/2094973170046693712

OpenAI Astra and Looped Transformers | Sebastian Raschka, PhD
https://sebastianraschka.com/blog/2026/openai-astra-looped-transformers.html

Also, this is my favorite OpenAI video so far. It makes me excited for the future!
https://x.com/sama/status/2095601442220638547