← All models
Compare

Kimi K2 vs Kimi K3

Add, remove, or swap models to compare them side by side.

Kimi K2Kimi K3
AttributeKimi K2Moonshot · 17 in the newsKimi K3Moonshot · 22 in the news
Scores
Intelligence (ECI)140157
Coding799
Math583
Reasoning & Knowledge1479
Agentic & Tools1886
Specifications
DeveloperMoonshotMoonshot
FamilyKimiKimi
ReleasedSep 5, 2025Jul 16, 2026
Parameters1T2.8T
AvailabilityOpen weights (restricted use)Open weights (non-commercial)
Context window131K1M
Price — $/M input$0.57$3.00
Price — $/M output$2.30$14.00
Inputstexttext, image
Outputstexttext
Benchmarks
AIME 2024/202557%97%
GPQA Diamond77%93%
GSO (code optimization)5%
Humanity's Last Exam7%44%
LiveCodeBench56%
MMLU-Pro82%
SciCode35%59%
SimpleBench26%
Terminal-Bench28%
WeirdML39%83%
τ²-bench61%
APEX39%
ARC-AGI95%
ARC-AGI-260%
SimpleQA Verified43%
WebDev Arena1682

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.