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PutnamBench

A multilingual formal theorem-proving benchmark of hand-formalized William Lowell Putnam Mathematical Competition problems in Lean 4, Isabelle, and Coq, where a model's output is scored by whether the proof assistant's compiler verifies the proof.

ReasoningProblems solvedHigher is better

What this benchmark measures

A multilingual formal theorem-proving benchmark of hand-formalized William Lowell Putnam Mathematical Competition problems in Lean 4, Isabelle, and Coq, where a model's output is scored by whether the proof assistant's compiler verifies the proof.

Rows on this page are sourced from public benchmark artifacts, leaderboard exports, or source-linked model reports. Each row keeps benchmark version, source model name, and available run details attached to the score.

The metric shown here is Problems solved. It should be interpreted within PutnamBench, not compared as part of a site-wide ranking.

No composite ranking
evals.report never combines benchmarks. Problems solved on PutnamBench is its own number — don’t average it with other metrics.