Moonshot AILaunchAI ModelsJuly 18, 2026

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

The 2.8T-parameter sparse MoE model ships with native vision and a 1M-token context window; weights and technical report are on Hugging Face. It took #1 among open-weight models on the Agent Arena, matching Claude Opus 4.8 and GPT-5.6 Sol, and is available day-zero on Together AI and Fireworks.

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