Open-Weight Model Letter: Who Signed and Who Didn't

Melvin Vivas · X post · 2026-07-25 · Open on X

Topics: Industry Trends & Job Market, AI Safety, Security & Guardrails · Level: beginner

Summary

A quoted post says Jensen Huang and Satya Nadella shared a joint letter, released by several companies and organizations at once, urging policymakers not to restrict open-weight models. The creator points out that OpenAI, Anthropic, Google and xAI did not sign it.

Key points

• Several companies and organizations released a joint letter urging policymakers not to restrict open-weight models.
• NVIDIA's Jensen Huang and Microsoft's Satya Nadella both shared it.
• OpenAI, Anthropic, Google and xAI did not sign.
• This shows a policy split between closed frontier labs and open-weight supporters.

Resources mentioned

• Jensen Huang's X post sharing the open-weight models letter · article · x.com · free
  Jensen Huang's post with the joint letter asking policymakers not to restrict open-weight models.