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Kimi K2 0905 vs o3-mini
Comprehensive side-by-side LLM comparison
o3-mini leads with 34.9% higher average benchmark score. Kimi K2 0905 offers 224.3K more tokens in context window than o3-mini. Kimi K2 0905 is $2.40 cheaper per million tokens. Overall, o3-mini 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
o3-mini is a language model developed by OpenAI. The model shows competitive results across 26 benchmarks. It excels particularly in COLLIE (98.7%), MATH (97.9%), IFEval (93.9%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents OpenAI's latest advancement in AI technology.
7 months newer
o3-mini
OpenAI
2025-01-30
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($2.40 cheaper)
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o3-mini
Input:$1.10
Output:$4.40
Performance Metrics
Context window and performance specifications
Average performance across 28 common benchmarks
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Kimi K2 0905
Average Score:18.0%
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o3-mini
Average Score:52.9%(+34.9%)
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Knowledge Cutoff
Training data recency comparison
o3-mini
2023-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Kimi K2 0905
2 providers
Novita
ZeroEval
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o3-mini
2 providers
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Kimi K2 0905
Avg Score:18.0%
Providers:2
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o3-mini
Avg Score:52.9%(+34.9%)
Providers:2