> OpenAI and Anthropic, which are gearing up for potentially massive IPOs, did not sign the letter. Not anymore, OpenAI did sign it: https://www.microsoft.com

> OpenAI and Anthropic, which are gearing up for potentially massive IPOs, did not sign the letter. Not anymore, OpenAI did sign it: https://www.microsoft.com/en-us/corporate-responsibility/topics/open-weight/ https://www.microsoft.com/en-us/corporate-responsibility/top...