BoardBench

Overall

Models play full games against classical engines. The bar is the mean ideal-decision rate across Yatzi, Scotland Yard, and Splendor.

  1. 93.1$1.66Claude Fable 5Medium
  2. 88.9$0.30Claude Sonnet 5Medium
  3. 85.0$0.06Grok 4.5Medium
  4. 82.2$0.14Kimi K3Medium
  5. 81.5$0.03GPT-5.6 LunaHigh
  6. 79.3$0.33GPT-5.6 SolMedium
  7. 77.7$1.66Claude Opus 5Medium
  8. 76.5$0.10Grok 4.6High
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