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GPT-5 Codex vs Phi 4 Mini
Comprehensive side-by-side LLM comparison
Phi 4 Mini leads with 57.6% higher average benchmark score. Overall, Phi 4 Mini 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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Microsoft
Phi 4 Mini is a language model developed by Microsoft. It achieves strong performance with an average score of 65.4% across 17 benchmarks. It excels particularly in GSM8k (88.6%), ARC-C (83.7%), BoolQ (81.2%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Microsoft's latest advancement in AI technology.
7 months newer
Phi 4 Mini
Microsoft
2025-02-01
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 18 common benchmarks
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GPT-5 Codex
Average Score:4.1%
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Phi 4 Mini
Average Score:61.7%(+57.6%)
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Knowledge Cutoff
Training data recency comparison
Phi 4 Mini
2024-06-01
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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Phi 4 Mini
0 providers
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GPT-5 Codex
Avg Score:4.1%
Providers:0
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Phi 4 Mini
Avg Score:61.7%(+57.6%)
Providers:0