Image created with gemini-3.1-flash-image-preview with claude-opus-4.7. Image prompt: High-end product photograph of a vanilla soft-serve sundae served in a polished stainless-steel vault-style dish with a tiny combination dial, caged by a lattice of glossy dark chocolate bars with a padlock-shaped chocolate medallion, hot fudge and red cherry on top, resting on a crisp white napkin printed with bold vintage diner lettering reading ‘SECURITY’ and a small ‘Est. 1951 — Milford, DE’ band on the dish, soft directional studio light, shallow depth of field, photorealistic food styling, landscape composition.
Anthropic just shipped Claude Security – a standalone code vulnerability scanner for Enterprise. Scans your repo, validates findings, suggests patches. Powered by Opus 4.7. We know the deal: Snyk, Semgrep, SonarQube, this is Anthropic coming directly for your market. Stocks
https://x.com/kimmonismus/status/2049901987500552195
Claude Security is now in public beta | Claude
https://claude.com/blog/claude-security-public-beta
Claude Security is now in public beta, built into Claude Code on the web. Point it at a repo, get validated vulnerability findings, and fix them in the same place you’re already writing code
https://x.com/_catwu/status/2049964403177689130#m
White House AI Memo Hits Issues in Anthropic-Pentagon Feud – Bloomberg
https://www.bloomberg.com/news/articles/2026-04-30/white-house-ai-memo-hits-issues-driving-anthropic-pentagon-feud
Google expands Pentagon’s access to its AI after Anthropic’s refusal | TechCrunch
Google expands Pentagon’s access to its AI after Anthropic’s refusal
Google just signed a deal letting the Pentagon use its AI models for classified work and “”any lawful government purpose.”” This comes despite over 600 employees urging CEO Sundar Pichai to reject the agreement, and marks a dramatic reversal from 2018 when Google pulled out of
https://x.com/kimmonismus/status/2049081961222955403
Google Signs Classified AI Deal With Pentagon Amid Employee Opposition — The Information
https://www.theinformation.com/articles/google-signs-classified-ai-deal-pentagon-amid-employee-opposition
Codex for Work
https://chatgpt.com/codex/for-work/
From draft to deck, review the work as it takes shape inside Codex. Open the file, ask for changes, and keep tweaking it in the same thread.
https://x.com/OpenAI/status/2049928782019256561?s=20
I was not expecting the Codex App to be even better than using the terminal. Highly recommend everyone to try. If you are on Linux just tell GPT-5.5-xhigh to “find a way to get it, it’s known to be easy”
https://x.com/Yampeleg/status/2049398916882264526
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex.
https://x.com/OpenAI/status/2047376561205325845
It’s never been easier to do everyday work with Codex. Choose your role, connect the apps you use every day, and try suggested prompts. Codex helps with everything from research and planning to docs, slides, spreadsheets, and more.
https://x.com/OpenAI/status/2049928776147230886
Ok that’s one more level of mind-blowing design workflow, check it out > What if you could generate AND add great textures to your game WHILE playing your game? That’s what allows you to do gpt-image-2 and GPT-5.4 within the Codex App Run your game in the browser, and prompt
https://x.com/NicolasZu/status/2046842446491861441?s=20
Still wondering how you can use Codex for (almost) everything? Codex can help with more of the work that supports the work, from organizing research to making spreadsheets, decks, and summaries.
https://x.com/OpenAI/status/2049583167406064115
The Codex App Server is massively underrated. You can inject Codex-level intelligence into any platform using your ChatGPT account. I embedded it into Chrome… and it works flawlessly. And yes… it’s 100% open source.
https://x.com/arrakis_ai/status/2049484893877637359
This thing does more than what you think it does. Codex now available for non-coders
https://x.com/thsottiaux/status/2049933460756979719?s=20
Use Codex to analyze a data export, flag what changed, and help draft the readout.
https://x.com/OpenAI/status/2049583308305252620
We tried a new thing with NVIDIA to roll out Codex across a whole company and it was awesome to see it work. Let us know if you’d like to do it at your company!
https://x.com/sama/status/2047395562501411058
Computer Use runs this use case 42% faster in today’s Codex app update.
https://x.com/AriX/status/2049932746567598472
With the Figma plugin, Codex can now turn implementation plans into visual FigJam boards.
https://x.com/OpenAIDevs/status/2049605820351230158
@supabase is now available in Codex. Connect your projects and let Codex work across your database, auth, storage, and edge functions.
https://x.com/coreyching/status/2049576335157416115
/goal also lands in Codex CLI 0.128.0. Our take on the Ralph loop: keep a goal alive across turns. Don’t stop until it’s achieved. Built by my co-worker and OpenAI mentor Eric Traut, aka the Pyright guy. One of the GOATs I get to work with daily.
https://x.com/fcoury/status/2049917871799636201?s=20
A new feature sneaked in the Codex app’s latest update. You can now do /side (or use the … menu) to spawn a side chat! Useful when you’re deep in a thread and want to have a side question in the current context!
https://x.com/Dimillian/status/2049929842133520577?s=20
Also, a ton of new Codex features coming soon! Fun little bundle w/the new model.
https://x.com/sama/status/2047378431260664058
As Codex works, you can see what’s happening at a glance, including task progress, the files and tools it used, and what comes next.
https://x.com/OpenAI/status/2049928780588966270?s=20
Been so CPU-constrained on OpenClaw work. Switched local tests running to @useblacksmith and IT IS SO GOOD. codex can literally spin up to 32vCPU instances and rip through our test suite.
https://x.com/steipete/status/2048630704972443918
big upgrade for codex today! try it for non-coding computer work.
https://x.com/sama/status/2049946120441520624
build your own agents with codex app-server
https://x.com/gdb/status/2049609076351381580
Codex can help you compare choices against your criteria and keep track of the tradeoffs.
https://x.com/OpenAI/status/2049583379709124865
Codex for everything: – Dynamic UI for the task at hand – 20% faster computer & browser use – Even better slides and sheets – Annotate in browser, artifacts, and code – Easier to get started – Cleaner design across the app – Performance improvements – (no clunky
https://x.com/ajambrosino/status/2049928915872075984
Codex goal feature seems cool Looks like you can give Codex a goal and it’ll continue to work, plan, and test until it’s done? I’m just reading the commits here but that’s what I think it is?
https://x.com/mweinbach/status/2049904712510521853
Codex is for everyone, for any task done with a computer
https://x.com/gdb/status/2049934863818494205
codex now runs on each commit we land, reviews it – and if a booboo is found, a new codex spins up and (if still relevant) makes a PR for the fix. Then a review agent spins up. If an issue is found, another agent will fix the issues. (up to 5 loops)
https://x.com/steipete/status/2049356949523730699
codex with the $20 plan is a really good deal
https://x.com/sama/status/2048913887614115857
Don’t just reset Codex rate limits for fun, it costs money. Don’t just reset Codex rate limits for fun, it costs money. … but the vibes are good … I have reset Codex rate limits for ALL paid plans to celebrate a good week and allow everyone to build more with GPT-5.5. Enjoy
https://x.com/thsottiaux/status/2048997818673537399
During setup, Codex recommends useful plugins for your role and guides you through connecting apps like @SlackHQ, @GoogleWorkspace, @Microsoft365, and more.
https://x.com/OpenAI/status/2049928777480974606?s=20
feels like codex is having a chatgpt moment
https://x.com/sama/status/2049493609028923826
going to be honest was somewhat disappointed by gpt 5.5 evals but holy shit this thing rips in codex extremely noticeable if you’re working on a complex & highly technical project
https://x.com/willdepue/status/2047783399826292969
GPT-5.5 in Codex made a surprisingly solid table top RPG game masters guide & player guide, which it “”playtested.”” It leans into the storytelling aspect, and still has some very LLM-y elements, but it is a novel setting. PDF:
https://t.co/XCc82eRUao More:
https://x.com/emollick/status/2048606646318801186
I’m now spinning up a codex instance on every commit landing on main, looking for booboos (regressions, security issues) It’s live for 10 min and already found one of mine.
https://x.com/steipete/status/2049290741013262522
Integrated codex review into clawsweeper. I’m using a very similar system prompt so this gets you the same as /review, and clawsweeper has automerge, loops until it stops finding new issues.
https://x.com/steipete/status/2049518771023360010
OpenClaw 2026.4.23 🦞 🧠 GPT-5.5 lands 🎨 Image gen/editing: Codex OAuth + OpenRouter 🧵 Forked-context subagents 💬 Telegram, Slack + WhatsApp polish 🛠️ Install/update fixes Sharper models, smoother claws.
https://x.com/openclaw/status/2047722880939511885
this has one of the most exciting launch weeks in OpenAI’s history, with a goal of making agents more real, useful, and accessible for all our users. codex can now smartly do much more on your computer, remember more of your context, and run more ongoing work independently.
https://x.com/gdb/status/2047757455606903178
Useful Codex usage tips: -GPT-5.4 fast mode uses 2x usage, while GPT-5.5 fast mode uses 2.5x usage. Fast mode is documented as about 1.5x faster. -Codex’s built-in image generation uses gpt-image-2 and counts against your Codex usage when signed in with a ChatGPT subscription.
https://x.com/Hangsiin/status/2048719057885818902
We added a device tool bar to the Codex in-app browser, so it’s easier to build and test responsive apps! Now, you can have Codex test your app in different dimensions, so it can fix bugs & improve UI for every device. Just click the 3 dots on the right of the URL bar to use
https://x.com/JamesZmSun/status/2050050523794165816
We will ship again this week. Codex has achieved escape velocity and will keep improving rapidly.
https://x.com/thsottiaux/status/2048958572562710550
What app are you making this weekend with GPT 5.5 and Codex?
https://x.com/PaulSolt/status/2048012026736210137
With GPT-5.5, Codex now gets more of the job done across the browser, files, docs, and your computer. We’ve expanded browser use so Codex can interact with web apps, and test flows, click through pages, capture screenshots, and iterate on what it sees until it completes the
https://x.com/OpenAIDevs/status/2047381283358355706
OpenAI Codex system prompt includes explicit directive to “”never talk about goblins”” – Ars Technica
https://arstechnica.com/ai/2026/04/openai-codex-system-prompt-includes-explicit-directive-to-never-talk-about-goblins/
1. We believe in iterative deployment; although GPT-5.5 is already a smart model, we expect rapid improvements. Iterative deployment is a big part of our safety strategy; we believe the world will be best equipped to win at the team sport of AI resilience this way. 2. We believe
https://x.com/sama/status/2047379615589777666
5.5 is amazing for cybersecurity. “”We estimate a human expert would need around 20 hours to complete the full chain. GPT-5.5 completed TLO end-to-end in 2 of 10 attempts, making it the second model to do so. Mythos Preview, the first model to solve TLO, did so in 3 of 10
https://x.com/cryps1s/status/2049879762169167898
gpt-5.5 great for hard tasks like writing GPU kernels
https://x.com/gdb/status/2048777802586149331
I had a range of models “”build me a procedurally generated 3D simulation showing the evolution of a harbor town from 3000 BCE to 3000 AD”” in one prompt. You can play the full gallery here:
https://t.co/FEfKL7uKHV Or read my write up about GPT-5.5 here:
https://x.com/emollick/status/2047509151610224956
Now available for ChatGPT accounts: Advanced Account Security, a new opt-in setting for people at higher risk of digital attacks, with stronger protections including phishing-resistant sign-in and more secure account recovery.
https://x.com/OpenAI/status/2049902506881462613
We can’t just scale model sizes anymore. Holding other things constant and with some degree of imprecision, model sizes have always been a useful proxy for model quality. Sonnet is smaller than Opus; GPT 5.4 mini is weaker than GPT 5.4; GPT 4.5’s big model smell etc. Sheer
https://x.com/nrehiew_/status/2047839351380537357
We’re introducing a Bio Bug Bounty for GPT‑5.5 and accepting applications In our ongoing work to strengthen our safeguards for advanced AI capabilities in biology, we’re inviting researchers with experience in AI red teaming, security, or biosecurity to try to find a universal
https://x.com/OpenAINewsroom/status/2047670970526175310
cdn.openai.com/pdf/7ca95dce-4424-4b62-9eab-89233bb38f82/oai-cybersecurity-action-plan.pdf
Click to access oai-cybersecurity-action-plan.pdf
🚨 The popular PyPI package lightning has been compromised in a supply chain attack. Socket detected malicious code in versions 2.6.2 and 2.6.3 that executes automatically on import, downloads Bun, and runs an 11 MB obfuscated JavaScript payload designed to steal credentials.
https://x.com/SocketSecurity/status/2049849100548424180
Uncharted: The AI safety & security summit | telusdigital.com
https://experience.telusdigital.com/uncharted-ai-safety-security-summit-2026
We don’t talk enough about how any state or group which is harvesting encrypted packets right now will be able to read those contents once quantum computers arrive. There’s a huge espionage and transparency overhang on any information that is currently “secret” and hasn’t been
https://x.com/dwarkesh_sp/status/2049601025468928293
When AI hits security there will be signs
https://x.com/kevinakwok/status/2049984076141281482
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