Anthropic, OpenAI, Meta and Google all released model updates this week, while Nvidia said it's acquiring open-source AI platform Hugging Face.

OpenAI launched Astra and its GPT-5.6 family to claim it has surpassed Anthropic, but revenue numbers and benchmark disputes complicate the

OpenAI's GPT-6 Astra is the first model rated Critical for cyber, Nvidia acquires Hugging Face for $12.93B, Google gates Gemini 3.8 Flash Cyber, and Meta returns to the frontier.

Five new AI models are here: Claude Fable 5.1 and GPT-6 Astra raise the frontier; Tencent’s HY4 Preview, Gemini 3.8 Flash, and Meta Muse Spark 1.3 push efficiency and lower cost…