Anthropic's November 3 release note adds Mythos 5, Opus 4.7 and Sonnet 4.6 to Claude's text watermark. Here is what it changes, where it fails and what to check.
Kimi K3.1 Pro is an open-weight, natively multimodal agentic model, and our most capable 3T-class model to date. Post-trained from Kimi K3 with large-scale joint reinforcement learning across hundreds of downstream domains, it is the first model in the K3.1 series. With a…