Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...
MoonshotAI: Kimi K3 — Moonshot AI. Context window 1,048,576 tokens. API pricing (per 1M tokens): Input $0.72, Output $14. License: Proprietary. LMArena 1,476. GPQA Diamond 93.1%.
| Provider | Moonshot AI |
|---|---|
| API model ID | moonshotai/kimi-k3 |
| Tier | Frontier |
| Context window | 1,048,576 tokens |
| Max output | 943,718 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $0.72 |
| API pricing (per 1M tokens) · Output | $14 |
| LMArena | 1,476 (kimi-k3-max) |
| GPQA Diamond | 93.1% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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