Benchmark Almanac

ProverBench (DeepSeek)

Provers write Lean 4 proofs for 325 formalized problems: 15 from AIME 2024 and 2025 and 310 from textbooks across number theory, algebra, calculus and analysis. Lean checks each proof.

DeepSeek released it with DeepSeek-Prover-V2 on 2025-04-30. Labs often report only the 15-problem AIME subset as problems solved.

Made by DeepSeek Released Apr 2025 Formal proofs All tasks public Last in a launch post Apr 2025 , dropped before it saturated Last model added Apr 2025
Level
University Undergraduates and entry-level professionals
Scored
Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
Answers
Written proof
1
Model scored in lab cards
1
Launch post lists it, from 1 lab
1
System card reports it, from 1 lab

DeepSeek-Prover-V2-671B leads with 59.1%

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

  1. 1 DeepSeek-Prover-V2-671B 59.1%
#ModelScoreSettingDateSource
1 DeepSeek-Prover-V2-671B 59.1% Apr 2025 Model card

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

Reported by the lab in its model card
0% 20% 40% 60% 80% 100% 2025 Near the ceiling (85%) DeepSeek-Prover-V2-671B 0% 20% 40% 60% 80% 100% 2025 Near the ceiling (85%) DeepSeek-Prover-V2-671B

No launch post has listed it since Apr 2025

Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.

DeepSeek
DateLaunch postScoreAs the post writes it
30 Apr 2025 DeepSeek-Prover-V2-671B 40 ProverBench-AIME 24&25, 6 of 15 problems solved (chart)

One system card reports it

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
30 Apr 2025 DeepSeek-Prover-V2-671B technical report 59.1 ProverBench All (325 problems), CoT, sample budget 512 (Table 7). AIME 24&25 subset 6 of 15 solved Capabilities

More in Math

All 105 in Math
  • IMO-AnswerBench In use 400 olympiad problems with short verifiable answers, robustified against memorization. Scored by answer match. GLM-5.2 91%
  • AIME 2026 In use Models solve the 30 integer-answer problems from the 2026 AIME I and II math competitions. Scored by exact answer match. GPT-5.5 100%
  • HMMT 2026 In use Models solve the 33 final-answer problems from the February 2026 Harvard-MIT Mathematics Tournament. Scored by exact answer match. GPT-5.5 98.5%
  • MathArena (Apex, IMO, USAMO) In use Evaluates models on newly released math competitions after release. Final-answer or human/LLM-judged proof scores. Claude Opus 4.8 81.3%
  • PolyMath In use Models solve 9,000 parallel math problems in 18 languages across four difficulty levels, from school math to frontier math. Final answers are checked. Qwen3.7-Max 86.5%
  • USAMO 2026 In use Models write full proofs for the six problems of the 2026 USA Mathematical Olympiad. Judges grade each proof from 0 to 7 against rubrics. GPT-5.5 98.2%