About OpenAI o3 vs GPT-5.1-Codex
Compare responses from OpenAI o3 and GPT-5.1-Codex across 33 shared challenges.
Popular challenges in this matchup
- Estimate Complexity — Tests an AI's ability to make educated estimates based on technical knowledge
- AI Board Game Logic — Tests an AI's ability to understand game rules and strategy
- Logic Puzzle — Tests an AI's ability to solve a simple but potentially confusing logic puzzle
- Math Misconception Test — Tests an AI's understanding of number representation
- Stochastic Consistency Test — Tests an AI's randomness and creativity
- And 28 more…
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