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Gemini 3.1 Pro vs Kimi K2.5
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Scores
Intelligence (ECI)156148
Coding7146
Math7653
Reasoning & Knowledge9637
Agentic & Tools8839
Specifications
DeveloperGoogle DeepMindMoonshot
FamilyGeminiKimi
ReleasedFeb 19, 2026Feb 2, 2026
Parameters—1T
AvailabilityAPI accessOpen weights (unrestricted)
Context window—262K
Price — $/M input—$0.38
Price — $/M output—$2.02
Inputs—text, image
Outputs—text
Benchmarks
AIME 2024/202596%92%
APEX34%14%
ARC-AGI98%65%
ARC-AGI-277%12%
FrontierMath37%28%
FrontierMath Tier 417%4%
GPQA Diamond94%88%
GSO (code optimization)23%—
Humanity's Last Exam46%24%
METR task horizon6.4 h—
SimpleBench80%47%
SimpleQA Verified77%34%
SWE-bench Verified76%74%
Terminal-Bench80%43%
WebDev Arena14611431
WeirdML72%46%
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.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.