WorkThe story, in brief
Nvidia Open Weights Letter Doubled To 50 Without Amazon And Anthropic
OpenAI just signed Nvidia's open weights letter. Amazon and Anthropic didn't. Here's what the split means for your AI strategy.
The KeyNews take
Why it matters
A major industry letter on open weights model governance just doubled signers with OpenAI's endorsement, but two heavyweight AI labs stayed out—signaling a fundamental strategic divide on model openness vs. closed deployment.
The key facts
5 to knowNvidia open weights letter signers doubled overnight to 50 companies
OpenAI signed the letter
Amazon did not sign
Anthropic did not sign
Published July 26, 2026
Go to the source
Forbes Innovationforbes.com
Publisher excerpt: OpenAI signed Nvidia's open weights letter, which doubled signers overnight. Amazon and Anthropic stayed out. 5 actions leaders should take today and why it matters.