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DeepSeek V3.2

DeepSeek V3.2 is the extended reasoning variant of DeepSeek-V3.2. Available on AI Gateway since December 1, 2025, it generates up to 163K tokens of chain-of-thought reasoning for complex analytical, scientific, and multi-step problem-solving tasks.

ReasoningFile InputTool UseVision (Image)Implicit Caching
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'deepseek/deepseek-v3.2-thinking',
  prompt: 'Why is the sky blue?'
})
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Frequently Asked Questions

  • Does DeepSeek V3.2 support tool calling?

    No. The Thinking variant is a pure reasoning engine without tool-use support. For tool calls alongside reasoning, use the standard DeepSeek-V3.2 model.

  • What is the maximum output token budget for DeepSeek V3.2?

    Up to 163K tokens per response, compared to 8K for the standard V3.2 chat variant.

  • When would I use DeepSeek V3.2 over DeepSeek-R1?

    Choose DeepSeek V3.2 for the V3.2 stack and reasoning output up to 163K tokens. DeepSeek-R1 is MIT-licensed. If license terms matter for your deployment, confirm the license for the model you pick.

  • Why does the output token budget matter for reasoning models?

    Reasoning models generate a chain-of-thought trace before the final answer. Complex problems can require thousands of reasoning tokens. A budget of 163K tokens provides headroom for multi-step derivations that would exceed an 8K limit.

  • How do I access DeepSeek V3.2 through AI Gateway?

    Use the model ID deepseek/deepseek-v3.2-thinking with an AI Gateway API key or OIDC token. No separate DeepSeek platform account is required.