An illustration Anthropic commissioned to mark the release of Opus 4.5. (Anthropic) Hot on the heels of Google's Gemini 3 Pro release, Anthropic has announced an update for its flagship Opus model.
Moonshot released its new Kimi K2 Thinking model on Thursday. It claims to outperform GPT-5 and Sonnet 4.5 on some benchmarks. Open-source AI poses a challenge to proprietary US models. The global AI ...