DeepSeek: DeepSeek V3.1
- Model ID
- deepseek/deepseek-chat-v3.1
- Canonical slug
- deepseek/deepseek-chat-v3.1
- Knowledge cutoff
- 2025-03-31
- Created
- 8/21/2025
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...