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Kimi K2 Instruct vs o3-mini
Comprehensive side-by-side LLM comparison
Kimi K2 Instruct leads with 17.1% higher average benchmark score. o3-mini offers 37.9K more tokens in context window than Kimi K2 Instruct. Kimi K2 Instruct is $2.63 cheaper per million tokens. Overall, Kimi K2 Instruct is the stronger choice for coding tasks.
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Moonshot AI
Kimi K2 Instruct is a language model developed by Moonshot AI. It achieves strong performance with an average score of 66.7% across 38 benchmarks. It excels particularly in MATH-500 (97.4%), GSM8k (97.3%), CBNSL (95.6%). It supports a 262K token context window for handling large documents. The model is available through 1 API provider. 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
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.
5 months newer
o3-mini
OpenAI
2025-01-30
Kimi K2 Instruct
Moonshot AI
2025-07-11
Pricing Comparison
Cost per million tokens (USD)
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Kimi K2 Instruct
Input:$0.57
Output:$2.30($2.63 cheaper)
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o3-mini
Input:$1.10
Output:$4.40
Performance Metrics
Context window and performance specifications
Average performance across 52 common benchmarks
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Kimi K2 Instruct
Average Score:45.6%(+17.1%)
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o3-mini
Average Score:28.5%
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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 Instruct
1 providers
Novita
Throughput: 45 tok/s
Latency: 0.95ms
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o3-mini
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Kimi K2 Instruct
Avg Score:45.6%(+17.1%)
Providers:1
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o3-mini
Avg Score:28.5%
Providers:2