DeepSeek-V3.1-Think · DeepSeek
Thinking mode of DeepSeek-V3.1; DeepSeek V3.1 is a text generation model provided by DeepSeek, featuring a hybrid reasoning architecture that achieves an effective integration of thinking and non-thinking modes.
Thinking mode of DeepSeek-V3.1; DeepSeek V3.1 is a text generation model provided by DeepSeek, featuring a hybrid reasoning architecture that achieves an effective integration of thinking and non-thinking modes.
DeepSeek V3.1 Thinking has a 128,000 token context window.
On AIHubMix, DeepSeek V3.1 Thinking costs $0.56 per million input tokens and $1.68 per million output tokens.
DeepSeek V3.1 Thinking accepts text input.
DeepSeek V3.1 Thinking supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
DeepSeek V3.1 Thinking is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to DeepSeek-V3.1-Think — no other code changes needed.
DeepSeek V3.1 Thinking is developed by DeepSeek. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
DeepSeek V3.1 Thinking was released on August 21, 2025 by DeepSeek.
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Use DeepSeek V3.1 Thinking via the AIHubMix unified API — one interface for every major LLM.