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Kimi K2-Instruct-0905 vs o4-mini
Comprehensive side-by-side LLM comparison
Kimi K2-Instruct-0905 leads with 23.8% higher average benchmark score. o4-mini supports multimodal inputs. Overall, Kimi K2-Instruct-0905 is the stronger choice for coding tasks.
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Moonshot AI
Kimi K2-Instruct-0905 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 64.1% across 29 benchmarks. It excels particularly in MATH-500 (97.4%), MMLU-Redux (92.7%), IFEval (89.8%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.
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OpenAI
o4-mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 66.5% across 14 benchmarks. It excels particularly in AIME 2024 (93.4%), AIME 2025 (92.7%), MathVista (84.3%). It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
4 months newer
o4-mini
OpenAI
2025-04-16
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
Performance Metrics
Context window and performance specifications
Average performance across 37 common benchmarks
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Kimi K2-Instruct-0905
Average Score:49.0%(+23.8%)
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o4-mini
Average Score:25.2%
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Knowledge Cutoff
Training data recency comparison
o4-mini
2024-05-31
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-Instruct-0905
0 providers
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o4-mini
1 providers
OpenAI
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Kimi K2-Instruct-0905
Avg Score:49.0%(+23.8%)
Providers:0
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o4-mini
Avg Score:25.2%
Providers:1