Chat and reasoning
Provide business context for question answering and text analysis.
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DeepSeek V4.1 Flash · Text and tool calling
From a conversation to a workflow.
DeepSeek V4.1 Flash supports chat, reasoning, tool use, and structured output to connect model responses with your application logic.
Capabilities
Connect the model to your application.
Tool calling
Describe the available tools. Your application executes them and returns results, connecting the model to existing services.
Structured output
Return results in an agreed structure for downstream processing and business operations.
Start integrating
Use the platform model ID deepseek-v4.1-flash. Prepare an API key and follow the Chat Completions docs. Check current capabilities and pricing in model details.