The sun’s setting on another wild day in AI. Here’s what made noise while you were squeezing the last bit

GPT-5.5 hits ChatGPT, Anthropic ships Claude Security beta, Gemini lands in 4M GM vehicles, Nous Research open-sources Hermes Agent, and Gen launches a VPN built for autonomous AI agents.

The day ends, the model races don’t. Here’s what crossed the wire while the West Coast was wrapping up. Anthropic