The open-weight AI letter changed after the first headlines were written. It launched Friday with 25 signatories and no OpenAI. By Friday evening OpenAI had joined. At 20:01 UTC Saturday, Microsoft’s live page listed 35 groups. The coalition is still forming.
Jul 25, 2026 at 8:05 PM
Nvidia, Microsoft launch open AI security alliance — without OpenAI, Google, or Anthropic
It comes after Hugging Face used a Chinese open-weight AI to defend itself against rogue OpenAI agents.
The OpenAI Open weight model might be 120B
726 votes, 163 comments. The person who "leaked" this model is from the openai (HF) organization So as expected, it's not gonna be something you can…
Nvidia, Microsoft, Meta warn against 'premature restrictions' of open-weight models
Chinese open-weight models are gaining steam against leading offerings from American companies. OpenAI and Anthropic did not sign the letter.
OpenAI to release open-source model as AI economics force strategic shift
OpenAI plans to release its first open-weight AI model since 2019 as economic pressures mount from competitors like DeepSeek and Meta, marking a significant strategic reversal for the company behind ChatGPT.
Discovery of a new OpenAI agent message board
A swarm of autonomous AI agents, self-identifying as OpenAI agents, used a small German volunteer wiki to save answers, coordinate live, and share sandbox bypasses. OpenAI noticed and said nothing.
OpenAI on Twitter / X
GPT-5 is here.Rolling out to everyone starting today.https://t.co/rOcZ8J2btI pic.twitter.com/dk6zLTe04s— OpenAI (@OpenAI) August 7, 2025
Release v0.11.0 · ollama/ollama
Welcome OpenAI's gpt-oss models Ollama partners with OpenAI to bring its latest state-of-the-art open weight models to Ollama. The two models, 20B and 120B, bring a whole new local chat experie...
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Contact us to learn how to join with companies that envision open weight AI creating opportunities for innovation and prosperity across America.
Google, Microsoft, and OpenAI join forces to help create AI's missing trust layer
With 13 founding members, the all-new Appia Foundation wants to help make AI safety claims verifiable.
OpenAI can’t tell if something was written by AI after all
OpenAI’s tool struggled with accuracy.
Reflections on OpenAI
I left OpenAI three weeks ago. I had joined the company back in May 2024.
Open Weights and American AI Leadership
Open weight AI can expand access, strengthen competition, improve security, and help sustain American AI leadership.
OpenAI is about to launch its new AI web browser, ChatGPT Atlas
It’s time for the AI browser wars
Update, 00:31 UTC Sunday: Microsoft now lists 50 signatories, up from 35 at the thread’s 20:01 cutoff. Google is now a formal signatory. Both Microsoft pages match. Live roster: microsoft.com/en-us/corporate-responsibilit…
