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DeepSeek V3.1
deepseek/deepseek-chat-v3.1
DeepSeek / DeepSeek
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
TextInputTextOutput
Capabilities
ReasoningTool callStructuredTemperatureOpen weight
Providers
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