DeepSeek V4 Flash

DeepSeek · July 2026

Fast and cheap for conversation, hard problems and multi-step work. Not marketed for code — use V4 Pro for that.

Best for
Deep reasoning and agent workflows
  • Context window

    1,048,576 tokens

    ≈ 786,000 words · about 3,150 pages

  • Max output

    393,216 tokens

    ≈ 295,000 words in a single answer

Modalities

  • TextInput and output
  • ImageNot supported
  • AudioNot supported
  • VideoNot supported

Reasoning effort

Default: High.

  • Low

  • High

  • Max

Tools

  • Web searchSupported

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