Google DeepMind's Gemma 4 models hit 400 million downloads as Silicon Valley splits over open-source AI, with Anthropic and OpenAI pushing for

OpenAI and Anthropic push for US restrictions on Chinese AI models, but Silicon Valley critics call it protectionism disguised as national

Anthropic and OpenAI executives warn of security risks from Chinese AI models as DeepSeek shows 94% jailbreak rate and US weighs sanctions.