[NVIDIA's 'Open Weight Model' Open Letter Co-Signatories Double to 50, Google Joins] According to Golden Finance, on July 26, NVIDIA CEO Jensen Huang shared a post on social media on July 24 featuring a letter titled 'Open Weights and American AI Leadership,' calling for the advancement of open-weight artificial intelligence models. The original letter posted by Huang included 25 co-signatures. Now, the number of co-signatories has doubled to 50. OpenAI is among the 25 newly added organizations, along with Google, AMD, Cisco, Cloudflare, GitHub, Block, and Ollama. However, Anthropic and Amazon remain absent from all versions of the list, and their absence is the most noteworthy detail of the list.