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Devstral Medium vs GPT-5 Codex
Comprehensive side-by-side LLM comparison
GPT-5 Codex leads with 12.9% higher average benchmark score. Overall, GPT-5 Codex is the stronger choice for coding tasks.
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Mistral AI
Devstral Medium is a language model developed by Mistral AI. It achieves strong performance with an average score of 61.6% across 1 benchmarks. Notable strengths include SWE-Bench Verified (61.6%). It supports a 256K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents Mistral AI's latest advancement in AI technology.
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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.
2 months newer
Devstral Medium
Mistral AI
2025-07-10
GPT-5 Codex
OpenAI
2025-09-15
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Devstral Medium
Average Score:61.6%
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GPT-5 Codex
Average Score:74.5%(+12.9%)
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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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Devstral Medium
1 providers
Mistral AI
Throughput: 137.1 tok/s
Latency: 0.23ms
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GPT-5 Codex
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Devstral Medium
Avg Score:61.6%
Providers:1
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GPT-5 Codex
Avg Score:74.5%(+12.9%)
Providers:0