DE
CompareDeepSeek V3.1
deepseek/deepseek-chat-v3.1
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...
- Context window
- 164K
- Input
- Text
- Output
- Text
- Released
- 2025-08-21
- Max output
- 33K
- Knowledge cutoff
- 2025-03-31
- Model parameters
- 671B
- Active parameters
- 37B
- Weights
- Open
- Capabilities
- Open weight, Reasoning, Structured, Temperature, Tool call
No official pricing available.
Performance
Overall capability
44.4/100
- Coding
- —
- Reasoning
- 41.4
- Professional work
- —
- Knowledge & language
- 47.6
| Humanity’s Last ExamDeepSeek V3.1 (Reasoning) | Reasoning | Artificial Analysis | 2026-11-05 | |
| CritPtDeepSeek V3.1 (Reasoning) | Reasoning | Artificial Analysis | 2026-11-05 | |
| IFBench（Artificial Analysis）DeepSeek V3.1 (Reasoning) | Knowledge & language | Artificial Analysis | 2026-11-05 | |
| AA-LCRDeepSeek V3.1 (Reasoning) | Knowledge & language | Artificial Analysis | 2026-11-05 | |
| Arena Text Overall | Blind | LMArena | 2026-10-28 | |
| AA-OmniscienceDeepSeek V3.1 (Reasoning) | Knowledge & language | Artificial Analysis | 2026-10-27 |
Providers
| DeepSeek | deepseek-chat-v3.1 | Custom | - | - | - | - | - |
| Kilo Gateway | deepseek/deepseek-chat-v3.1 | Openai chat | - | - | |||
| OpenRouter | deepseek/deepseek-chat-v3.1 | Openai chat | - | - | |||
| TensorX | deepseek/deepseek-chat-v3.1 | Openai chat | - |
ModelRegistry · Catalog updated 2026-11-05