DeepSeek V4.1 Flash

DeepSeek · September 2026

Fast and cheap for conversation and multi-step work, and it reads images.

  • Modalities

  • 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

Reasoning effort

Default: High

  • None

  • Low

  • High

  • Max

Providers

Files you can attach

  • ImagesJPG, PNG, GIF, WEBP
  • DocumentsNot supported
  • Text and codeTXT, MD, CSV, TSV, RPT, LOG, PY, TS, TSX, JS, JSX, CS, GO, JAVA, KT, SWIFT, CPP, C, H, PHP, RB, SQL, SH, PS1, HTML, CSS, SCSS, JSON, YAML, YML, XML, INI

Tools

  • Web searchNot supported

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