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DeepSeek Math Big Open weights

DeepSeek-Math-V2

350 days since DeepSeek announced it ·

DeepSeek-Math-V2 is an open-weights math model from DeepSeek, announced 27 Nov 2025. It has 685B parameters.

Input
—
per 1M tokens
Cache write
—
per 1M tokens
Cache read
—
per 1M tokens
Output
—
per 1M tokens
Context window
—
tokens
Parameters
685B
total

No price on the lab’s own pages.

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DeepSeek · Big · DeepSeek-Math

open weights
  1. DeepSeek-Math-V2

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Facts last updated , from DeepSeek’s own pages.