Reasoning benchmark

EnigmaEval leaderboard

As of October 2026, Claude Fable 5 has the highest published EnigmaEval score on Noometry at 39.3%, out of 38 models with results.

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About EnigmaEval

Long multimodal puzzle-hunt problems that require creative, multi-step reasoning.

Category
Reasoning
Introduced
2025
Format
Puzzles
Unit
Percent (random guessing ≈ 0%)
Official site
scale.com

Top 15 models

Top models on EnigmaEval
  1. Claude Fable 5 39.3%
  2. GPT-5.6 Sol 37.1%
  3. Gemini 3.1 Pro Preview 36.8%
  4. Gemini 3.5 Flash 25.4%
  5. GPT-5.4 Pro 23.8%
  6. Claude Opus 4.8 23.5%
  7. GPT-5 Pro 18.8%
  8. Gemini 3 Pro 18.2%
  9. GPT-5.4 16%
  10. o3 13.1%
  11. Claude Opus 4.5 11.9%
  12. GPT-5.1 11.2%
  13. GPT-5 10.5%
  14. GPT-5.2 10.4%
  15. o4-mini 9.2%

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All results

Compare the leaders

Other reasoning benchmarks

Frequently asked questions

What does EnigmaEval measure?

Long multimodal puzzle-hunt problems that require creative, multi-step reasoning.

Which model has the highest EnigmaEval score?

As of October 2026, Claude Fable 5 has the highest published EnigmaEval score on Noometry at 39.3%, out of 38 models with results.

What is the best open-weight model on EnigmaEval?

Kimi K2.5 has the highest EnigmaEval accuracy among open-weight models at 3.4%, ranking 25 of 38 overall.