DeepSeek-Prover-V2-671B

Advanced Mathematical Reasoning with Formal Theorem Proving

DeepSeek-Prover-V2-671B is genuinely changing the game in how we approach mathematical reasoning. Built on the remarkable V3 architecture by DeepSeek, it harnesses an impressive 671 billion parameters to verify mathematical proofs with meticulous precision. By collaborating with the Lean 4 proof assistant, this model brings unprecedented clarity and reliability to complex mathematical problems that once required teams of specialized mathematicians to solve.

Released April 2025

Key Capabilities

Formal Theorem Proving

Works with Lean 4 to verify mathematical claims with absolute certainty - like having a brilliant mathematician checking your work with superhuman attention to detail

Mathematical Reasoning

Walks through complex problems step by step, showing all work clearly - making even the most advanced mathematical concepts accessible and transparent

Error Detection

Identifies subtle mistakes in proofs and offers thoughtful corrections - acting as both a careful reviewer and helpful mentor who catches what humans might miss

Research Assistant

Explores diverse proof strategies to help mathematicians chart new territory - serving as an untiring research partner that's always ready to tackle the next challenge

Benchmark Performance

miniF2F Test

92.5%

Aces high school math problems with flying colors - handling algebra, calculus, and number theory like they're basic arithmetic

MATH-500

99.1%

Crushes challenging problems that would make most math majors sweat - multi-step reasoning is where it truly shines

ProofNet

45.3%

Takes on college-level math across diverse domains - setting new standards for what AI can achieve in formal mathematics

AIME 2024

79.8%

Tackles tough competition math that stumps even the brightest high school students - proving its exceptional problem-solving abilities

Applications

Academic Research

Helps mathematicians explore mind-bending theorems and uncover new insights - accelerating discovery in ways we're just beginning to appreciate

Educational Support

Breaks down formal proofs for students with clear explanations and Lean 4 code - turning abstract concepts into digestible learning experiences

Verification Systems

Strengthens software and hardware verification by proving correctness properties - adding confidence to critical systems we rely on daily

Automated Theorem Proving

Powers next-gen proof systems with enhanced reasoning abilities - pushing the boundaries of what machines can verify independently

DeepSeek-Prover-V1 vs DeepSeek-Prover-V2

V2 blows its predecessor out of the water! Check out these jaw-dropping improvements:

比较指标
V1
V2
提升
Parameter Count
7B
671B
96× larger
miniF2F Test
63.5%
92.5%
+29.0%
ProofNet
25.3%
45.3%
+20.0%
Proof Length
Limited
Extended
2-3× longer

Technical Architecture

Under the hood, DeepSeek-Prover-V2 packs some serious tech muscle specifically tuned for formal theorem proving:

  • 1Runs on DeepSeek's massive V3 671B parameter foundation with clever Mixture-of-Experts design to keep things efficient
  • 2Trained extensively on rich mathematics and formal proof datasets to develop its mathematical intuition
  • 3Uses reinforcement learning from proof assistant feedback (RLPAF) to continuously improve its reasoning
  • 4Employs enhanced Monte Carlo Tree Search to explore the most promising proof paths first
  • 5Features a huge 128K token context window to handle lengthy mathematical statements and complex proofs