PutnamBench - Lean 4, Answer Supplied (4m tokens per problem): leaderboard
Number of Putnam competition problems reported solved in Lean 4, with numerical answers supplied in the theorem statement where required. The source reports compute budget '4m tokens per problem'. Higher is better; counts stay separate from other languages, answer conditions and budgets. A corpus revision is not reported. Reported Lean version(s): 4.22, 4.27. The reported total combines 518 solutions in Lean 4.22 and 70 in Lean 4.27.
Metric: Problems solved; Lean 4, Answer Supplied; reported compute budget: 4m tokens per problem. Source: github.com. 1 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Leanstral 1.5 | 588 |
Interactive version: theaggregate.ai/benchmark?slug=putnambench-lean-4-answer-supplied-4m-tokens-per-problem · How It Works · Data refreshed daily, snapshot 2026-10-16.