Testing Moonshot AI's Kimi K3 Inside Claude Code

Moonshot AI released Kimi K3, a 2.8-trillion-parameter model with vision capabilities and a one-million-token context window, set for open-weight release by July 27. Despite trailing models like Fable 5 and GPT-5.6 Sol, Kimi K3 shows competitive speed and frontend performance, with cost efficiency noted in usage tests.