Reasoning

BIG-Bench Hard Leaderboard

Challenging tasks from BIG-Bench that require advanced reasoning

Why This Matters

Measures ability to solve problems that stumped earlier models - indicates true reasoning capability

Good Scores

50%+ is competent, 65%+ is strong, 75%+ is exceptional

Use Cases

  • Complex decision support
  • Strategic planning tools
  • Advanced problem solving
  • Logic-based applications

About BIG-Bench Hard

BIG-Bench Hard (BBH) is a suite of 23 challenging BIG-Bench tasks where prior language models did not outperform average human-rater performance. It tests complex reasoning, world knowledge, and multi-step problem solving.

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Complete Leaderboard

Top 50 models ranked by BIG-Bench Hard performance

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