Kimi K3
A 2.8T-parameter open multimodal reasoning model — joint-top open model on GPQA.
Kimi K3 is a 2.8T-parameter open-weight multimodal reasoning model suited for complex coding, knowledge work and long-horizon agentic workflows.
- Provider
- Moonshot AI
- Type
- Language model
- Released
- Jul 16, 2026
- Context window
- 1M tokens
- Max output
- 944K tokens
- Price
- $0.80 input / $12.00 output per 1M tokens
- Input
- text, image, video
- Output
- text
- Open weights
- Yes
- License
- Modified MIT
Best for
- Reasoning
- Coding
- Agents
- Math & science
- Research
Strengths
- 93.5% GPQA Diamond
- Frontier-scale open weights