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Kimi K2 0905 vs o1-preview
Comprehensive side-by-side LLM comparison
o1-preview leads with 1.4% higher average benchmark score. Kimi K2 0905 offers 363.5K more tokens in context window than o1-preview. Kimi K2 0905 is $71.90 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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Moonshot AI
Kimi K2 0905 is a language model developed by Moonshot AI. This model demonstrates exceptional performance with an average score of 84.0% across 6 benchmarks. It excels particularly in HumanEval (94.5%), MMLU (90.2%), MATH (89.1%). It supports a 524K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.
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OpenAI
o1-preview is a language model developed by OpenAI. It achieves strong performance with an average score of 64.8% across 8 benchmarks. It excels particularly in MGSM (90.8%), MMLU (90.8%), MATH (85.5%). It supports a 161K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
11 months newer
o1-preview
OpenAI
2024-09-12
Kimi K2 0905
Moonshot AI
2025-09-05
Pricing Comparison
Cost per million tokens (USD)
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Kimi K2 0905
Input:$0.60
Output:$2.50($71.90 cheaper)
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o1-preview
Input:$15.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 10 common benchmarks
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Kimi K2 0905
Average Score:50.4%
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o1-preview
Average Score:51.8%(+1.4%)
Provider Availability & Performance
Available providers and their performance metrics
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Kimi K2 0905
2 providers
Novita
ZeroEval
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o1-preview
2 providers
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Kimi K2 0905
Avg Score:50.4%
Providers:2
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o1-preview
Avg Score:51.8%(+1.4%)
Providers:2