Kimi K3 is Moonshot AI's open-weight, always-thinking multimodal model for long-context reasoning, coding, tool use, and native image/video understanding.
Added Jul 16, 2026
Model weightsContext Window
1.0M
Max Output
1.0M
Input Price (Auto)
$2.60/1M
Output Price (Auto)
$13.00/1M
Cache Read (Auto)
$0.29/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
59.7
Coding Index
76.2
Agentic Index
54.3
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
93.5%
Better than 99% of models compared
HLE
Humanity's Last Exam
46.9%
Better than 98% of models compared
AA-LCR
Long context reasoning evaluation
82.7%
Better than 99% of models compared
GDPval-AA
Economically valuable tasks
59.1%
CritPt
Research-level physics reasoning
23.4%
Coding
SciCode
Python programming for scientific computing
58.7%
Better than 99% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
47.6%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
53.2%
Last updated Aug 16, 2026
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