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GPT-5 Codex vs Kimi K2 Base
Comprehensive side-by-side LLM comparison
Kimi K2 Base leads with 58.9% higher average benchmark score. Overall, Kimi K2 Base is the stronger choice for coding tasks.
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OpenAI
GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.
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Moonshot AI
Kimi K2 Base is a language model developed by Moonshot AI. It achieves strong performance with an average score of 69.2% across 13 benchmarks. It excels particularly in C-Eval (92.5%), GSM8k (92.1%), MMLU-redux-2.0 (90.2%). 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.
2 months newer
Kimi K2 Base
Moonshot AI
2025-07-11
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 14 common benchmarks
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GPT-5 Codex
Average Score:5.3%
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Kimi K2 Base
Average Score:64.2%(+58.9%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 Codex
2024-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 Codex
0 providers
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Kimi K2 Base
0 providers
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GPT-5 Codex
Avg Score:5.3%
Providers:0
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Kimi K2 Base
Avg Score:64.2%(+58.9%)
Providers:0