Aider creator Paul Gauthier announced that OpenAI o3-pro with high reasoning effort set a new record of 85% on the Aider Polyglot coding benchmark. The benchmark evaluates multi-language real-world codebase editing, solidifying o3-pro's position at the top of practical coding leaderboards.

Key Takeaways

  • ✓o3-pro achieves an 85% solve rate on Aider Polyglot with high reasoning effort, setting a new SOTA.
  • ✓Aider real-repo benchmark remains a gold-standard yardstick for code editing accuracy.
  • ✓Demonstrates an 18%+ leap in unified multi-language refactoring over previous generation models.
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TL;DR Verdict
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o3-pro achieves an 85% solve rate on Aider Polyglot with high reasoning effort, setting a new SOTA.
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