DeepSeek · model release · downloadable model
DeepSeek-V3.1
DeepSeek releases V3.1, one model that can answer fast or think step by step, with open weights.
In detail
DeepSeek released V3.1, a hybrid model with thinking and non-thinking modes, faster reasoning than R1-0528, and better tool use. API endpoints were updated and weights for base and full models were published.
Sources
- DeepSeek-V3.1 Release · DeepSeek · Primary source
Last checked 11 November 2026.