Moonshot AI

Kimi K2 Base

Zero-eval
#1C-Eval
#1MMLU-redux-2.0
#1TriviaQA
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by Moonshot AI

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About

Kimi K2 Base was created as the foundation model in the K2 series, designed to serve as a starting point for fine-tuning and customization. Built to provide strong base capabilities for domain-specific applications, it enables developers to build specialized solutions on Moonshot's architecture.

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Timeline
AnnouncedJul 11, 2025
ReleasedJul 11, 2025
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Specifications
Training Tokens15.5T
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License & Family
License
MIT
Performance Overview
Performance metrics and category breakdown

Overall Performance

13 benchmarks
Average Score
69.2%
Best Score
92.5%
High Performers (80%+)
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All Benchmark Results for Kimi K2 Base
Complete list of benchmark scores with detailed information
C-Eval
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0.93
92.5%
Self-reported
GSM8k
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0.92
92.1%
Self-reported
MMLU-redux-2.0
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0.90
90.2%
Self-reported
MMLU
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0.88
87.8%
Self-reported
TriviaQA
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0.85
85.1%
Self-reported
EvalPlus
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0.80
80.3%
Self-reported
CSimpleQA
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0.78
77.6%
Self-reported
MATH
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0.70
70.2%
Self-reported
MMLU-Pro
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0.69
69.2%
Self-reported
GPQA
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0.48
48.1%
Self-reported
Showing 1 to 10 of 13 benchmarks
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