Open models, including Nvidia's Nemotron and Meta's Llama, are AI systems with publicly accessible core components. Closed models are controlled by specific companies. Major U.S. developers of closed models are OpenAI, Google and Anthropic.

OpenAI CEO Sam Altman visited the White House last week to discuss the voluntary tests and his company’s upcoming AI models

Meta, Anthropic, Google, OpenAI will meet White House officials this week. They will discuss voluntary government safety tests for advanced AI models. This comes after recent…