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Kimi K3: Open Frontier Intelligence
Kimi K3 is the world's first open 3T-class model — frontier performance across coding, knowledge work, and reasoning, with native multimodality and 1M context.
Kimi
Kimi K3
Kimi K3 is a 2.8T-parameter model built on Kimi Delta Attention and Attention Residuals, with native vision capabilities and a 1-million-token context window — the world's first open 3T-class model.
Specs
Model
- Family
- Kimi
- Variant
- K3
- Weights
- Open
- License
- Kimi K3
Limits
- Context
- 1,048,576 tokens
- Max output
- 131,072 tokens
Modalities
- Input
- Text Image Video
- Output
- Text
Pricing
- Input
- $3 / 1M
- Output
- $15 / 1M
- Cache read
- $0.3 / 1M
Capabilities
- Reasoning
- Yes
- Reasoning control
- On / off, Effort levels
- Tool calling
- Yes
- Attachments
- Yes
Dates
- Released
- 16 Jul 2026
Articles
All articleskimi.com
