DeepSeek/ DeepSeek
DeepSeek 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...
Released
2025-08-21
Context window
164K
Max output
33K
Weights
Open weight
Modalities
Input
Text
Output
Text
Identity
- Version
- deepseek-chat-v3.1
- Knowledge cutoff
- 2025-03-31
Resources
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| OpenRouter | deepseek/deepseek-chat-v3.1 | openai_chat | 164K | 33K | Text | Text | ReasoningTool callStructuredTemperatureOpen weight | Hugging Face: deepseek-ai/DeepSeek-V3.1 | input $0.25/M · cache read $0.13/M output $0.95/M | Yes |
| TensorX | deepseek/deepseek-chat-v3.1 | openai_chat | 164K | 33K | Text | Text | ReasoningTool callStructuredTemperatureOpen weight | - | input $0.2/M · cache read $0.05/M output $0.8/M · cache write $0.25/M | Yes |
| Kilo Gateway | deepseek/deepseek-chat-v3.1 | openai_chat | 164K | 33K | Text | Text | ReasoningTool callStructuredTemperatureOpen weight | - | input $0.27/M · cache read $0.135/M output $1/M | Yes |
Capabilities
ReasoningTool callStructuredTemperatureOpen weight