Kimi K3 — Specifications
| Developer | Moonshot AI |
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| Type | LLM (MoE, reasoning, multimodal) |
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| Modality | Text, Vision → Text |
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| Parameters | 2.8T total / 16 of 896 experts active (MoE) |
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| Context window | 1M |
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| Max output | — |
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| License | Open weights (due 2026-07-27) |
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| Open weights | ✅ Yes |
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| Released | 2026-07 |
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| Input price | $3.00 /1M |
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| Output price | $15.00 /1M |
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| API providers | Moonshot (Kimi), OpenRouter |
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🖥️ Run it locally
| VRAM (4-bit) | ~1.4 TB |
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| Minimum GPU | Multi-node cluster (e.g. 2× 8-GPU H200 141GB nodes) |
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Official page →
Moonshot AI’s 2.8-trillion-parameter open frontier model — a mixture-of-experts that activates just 16 of 896 experts per token, with a 1M-token context window, native vision and always-on reasoning. It scores 57 on the Artificial Analysis Intelligence Index, edging past Claude Opus 4.8 (56) and trailing only GPT-5.6 Sol (59) and Claude Fable 5 (60) — the strongest open-weight result to date. Weights are due 27 July 2026.
⚔️ Compare Kimi K3 head-to-head
