Image created with gemini-3.1-flash-image-preview with claude-opus-4.7. Image prompt: Using the provided reference images, keep the authentic Sonoran Desert trail setting, midday Arizona lighting, rocky singletrack, saguaros, and the exact brown wooden post with ranger-style rectangular sign, but change the sign header to bold all-caps ‘MICROSOFT’ with trail entries reading ‘← Copilot Peak 2.1’ and ‘Azure Overlook → 3.4’ and ‘← OpenAI Saddle 0.7’, replace the WP3 medallion with a small weathered four-pane Windows-style emblem, and rest a sun-faded Surface tablet against the base of the post with the desert sky faintly reflected in its screen, photorealistic and naturally integrated.
ChatGPT is now available as an add-on in Excel and Google Sheets. It can help analyze messy data, write formulas, update spreadsheets, and explain what it’s doing along the way–without leaving your spreadsheet. Powered by GPT-5.5.
https://x.com/ChatGPTapp/status/2051776032127238266
MRC is already deployed across all of OpenAI’s largest supercomputers that we use to train frontier models, including our site with @Oracle Cloud Infrastructure (OCI) in Abilene, Texas, and in @Microsoft’s Fairwater supercomputers. MRC is now available through the
https://x.com/OpenAI/status/2052025533937103102
NVIDIA just open-sourced a transport protocol that powers OpenAI’s Blackwell clusters. It opened MRC, a new RDMA transport protocol for massive AI training clusters. Instead of pushing GPU traffic through one fragile path, MRC spreads a single connection across multiple network
https://x.com/kimmonismus/status/2052011784023028060
Supercomputer networking to accelerate large scale AI training | OpenAI
https://openai.com/index/mrc-supercomputer-networking/
We’ve partnered with @AMD, @Broadcom, @Intel, @Microsoft, and @NVIDIA, to release Multipath Reliable Connection (MRC), a new open networking protocol that helps large AI training clusters run faster and more reliably, with less wasted GPU time.
https://x.com/OpenAI/status/2052025532485902368
Meta-Backed Scale AI Wins $500 Million Defense Department Deal – Bloomberg
https://www.bloomberg.com/news/articles/2026-05-06/meta-backed-scale-ai-wins-500-million-defense-department-deal
Pentagon strikes AI deals for classified military use – The Washington Post
https://www.washingtonpost.com/technology/2026/05/01/pentagon-ai-deals-microsoft-amazon-google-classified-military/
Today, the @DeptofWar entered into agreements with SEVEN of the world’s leading frontier AI model and infrastructure companies to deploy frontier capabilities on the Department’s classified networks: • SpaceX • OpenAI • Google • NVIDIA • Reflection • Microsoft • Amazon
https://x.com/DoWCTO/status/2050175912134561977
NEW paper from Microsoft Research. (bookmark it) The entire interpretability literature is built around human readers. As more analysis gets delegated to agents, the right target of interpretability shifts. This paper is a recipe for designing tools that agents can actually
https://x.com/dair_ai/status/2052125514266190286
AI Agents and the Future of Digital Work with Microsoft
https://www.cdata.com/resources/ai-agents-future-digital-work-microsoft/
NEW paper from Microsoft Research. If you care about training computer-use agents, this is one to keep. (bookmark it) The team builds 1,000 synthetic computers (each with realistic directory structures, documents, and artifacts) then runs long-horizon simulations on top of
https://x.com/dair_ai/status/2050263752147456238
NEW paper from Microsoft Research. Nice study on long-horizon agent generalization. (bookmark it) The team runs a study where the only variable is task horizon length. They use the same decision rules, reasoning structure but different sequence length to the goal. The main
https://x.com/dair_ai/status/2051679862788878354
– 15 messages – $221 of tokens – 1.6% of my $40 plan used It’s obvious that GitHub couldn’t keep this model for billing on Copilot.
https://x.com/theo/status/2051395816410210604
I sent a single message on Copilot and it did over 60m tokens. It’s still going. $30 of inference so far. In their current billing model, you get 1,500 messages, regardless of how expensive each is. I’m pretty sure I can do $45,000 of messaging on this plan
https://x.com/theo/status/2051218167780041147
Copilot Cowork: From conversation to action across skills, integrations, and devices | Microsoft 365 Blog
Copilot Cowork: From conversation to action across skills, integrations, and devices
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