Kimi K3 is Moonshot AI's open-weight, always-thinking multimodal model for long-context reasoning, coding, tool use, and native image understanding. Running inside a TEE (Trusted Execution Environment), with provider attestation support.
Added Jul 31, 2026
Model weightsContext Window
1.0M
Max Output
1.0M
Input Price (Auto)
$3.15/1M
Output Price (Auto)
$15.75/1M
Cache Read (Auto)
$1.57/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
59.7
Coding Index
76.2
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
Coding
SciCode
Python programming for scientific computing
58.7%
Better than 99% of models compared
Last updated Aug 16, 2026
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