GPT-5 Codex
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GPT-5 Codex vs Mistral Medium 3.1
Compare GPT-5 Codex by OpenAI against Mistral Medium 3.1 by Mistral AI, tested across 49 shared challenges. Updated February 2026.
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GPT-5 CodexvsMistral Medium 3.1
44 challenges
Favorites
GPT-5 CodexMistral Medium 3.1
12 / 44
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
Mistral Medium 3.1
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2 / 44
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
GPT-5 Codex
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Mistral Medium 3.1
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3 / 44
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
GPT-5 Codex
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Mistral Medium 3.1
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4 / 44
Math Misconception Testreasoning
Tests an AI's understanding of number representation
GPT-5 Codex
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Mistral Medium 3.1
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5 / 44
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
GPT-5 Codex
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Mistral Medium 3.1
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6 / 44
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
GPT-5 Codex
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Mistral Medium 3.1
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7 / 44
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
GPT-5 Codex
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Mistral Medium 3.1
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8 / 44
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
GPT-5 Codex
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Mistral Medium 3.1
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9 / 44
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
GPT-5 Codex
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Mistral Medium 3.1
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10 / 44
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
GPT-5 Codex
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Mistral Medium 3.1
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11 / 44
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
GPT-5 Codex
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Mistral Medium 3.1
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12 / 44
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
GPT-5 Codex
Mistral Medium 3.1
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12 of 44