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GPT-5.2 Pro vs Kimi K3

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GPT-5.2 ProKimi K3
AttributeGPT-5.2 ProOpenAIKimi K3Moonshot · 44 in the news
Scores
Intelligence (ECI)155158
Coding97
Math9180
Reasoning & Knowledge4773
Agentic & Tools72
Specifications
DeveloperOpenAIMoonshot
FamilyGPTKimi
ReleasedDec 11, 2025Jul 16, 2026
Parameters2.8T
AvailabilityAPI accessOpen weights (non-commercial)
Context window400K1M
Price — $/M input$21.00$2.10
Price — $/M output$168.00$10.95
Inputsimage, text, filetext, image, video
Outputstexttext
Benchmarks
ARC-AGI91%95%
ARC-AGI-254%60%
FrontierMath Tier 431%
SimpleBench57%61%
AIME 2024/202597%
APEX51%
GPQA Diamond93%
Humanity's Last Exam47%
SciCode60%
SimpleQA Verified51%
WebDev Arena1674
WeirdML83%

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.