All Models

DeepSeek Chat V3.1

deepseek Reasoning Tool Calling Open Weights

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...

Providers 1
Released Aug 21, 2025
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
TensorX deepseek/deepseek-chat-v3.1 $0.20/MTok $0.80/MTok 164K 163.8K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output