DeepSeek V4.1 Flash 1017

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Model Information

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Capabilities and Usage

• Improves end-to-end project development, including coding and agent workflows, while reducing task runtime and output length compared with the preceding revision.
• Use this exact MixRoute model ID to select the 1017 revision. Do not assume deepseek-v4.1-flash or deepseek-flash resolves to the same revision on every route.
• Supports thinking and non-thinking modes. thinking.type accepts enabled or disabled. reasoning_effort accepts none to disable thinking, or low, high, and max to enable it; the default effort is high.

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Request Example

curl --request POST "https://api.mixroute.ai/v1/chat/completions" \
  --header "Authorization: Bearer $MIXROUTE_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "deepseek-v4.1-flash-1017",
  "messages": [
    {
      "role": "user",
      "content": "Explain when a database index improves query performance."
    }
  ],
  "thinking": {
    "type": "disabled"
  },
  "max_tokens": 1024
}'

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Request Fields