Moonshot AI launches Kimi K3, a 2.8T parameter open-weight model

Kimi K3 is a 2.8 trillion parameter, 1 million context, native multimodal model. It scores 57 on the Artificial Analysis Intelligence Index, comparable to Opus 4.8 and GPT-5, and ranks second only to Fable 5 on agentic benchmarks while costing less to run.