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Language modelActive

Kimi K3

Moonshot AI

Released
July 16, 2026
Data date
September 8, 2026
Predecessor
Kimi K2.6
Benchmark-Meta-Score
Provisional, 59.9 % panel coverage
Speed
41.3 tokens/s
Output throughput
Price
Input · Output / 1M tokens
Input
Text, Image, Video
Output
Text

What is distinctive about Kimi K3 is its native visual architecture with KDA and AttnRes. Moonshot describes 2.8 trillion total parameters, 104 billion active parameters, 896 experts with 16 selected per step, and a 1,048,576-token context window. Text, images, and video belong to the same model.

Reasoning is always enabled and can be controlled with Low, High, and Max. Moonshot places K3 alongside Kimi K2.6. Local use and redistribution remain subject to the Kimi K3 license and the conditions of the released weights.

Specifications and access

SpecificationValue and source
Weights
Open weightsSource
Access
API, LocalSource
Parameters
2.8TSource
Active parameters
104BSource
Context window
1,048,576 tokensSource
Notes
2.8T total, 104B active, 896 experts with 16 active experts per token, KDA hybrid linear attention, native vision, and a 1,048,576-token context window. Model weights are published.Source
License
Kimi K3 LicenseSource
Parameters
2,800 BSource
Active parameters
104 BSource
Architecture
MoE with KDA, gated MLA, 896 experts/16 selected, MoonViT V2Source
Output
TextSource
Tool calling
Quantization
MXFP4 weights / MXFP8 activationsSource
Input
Text, Image, VideoSource
Reasoning mode
Always enabled; reasoning effort: low, high, max (default max).Source