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Kimi K2 0905 vs o1
Comprehensive side-by-side LLM comparison
o1 leads with 42.8% higher average benchmark score. Kimi K2 0905 offers 224.3K more tokens in context window than o1. Kimi K2 0905 is $71.90 cheaper per million tokens. Overall, o1 is the stronger choice for coding tasks.
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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 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K 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.
8 months newer
o1
OpenAI
2024-12-17
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
Input:$15.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 20 common benchmarks
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Kimi K2 0905
Average Score:25.2%
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o1
Average Score:68.0%(+42.8%)
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
2 providers
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Kimi K2 0905
Avg Score:25.2%
Providers:2
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o1
Avg Score:68.0%(+42.8%)
Providers:2