DeepSeek V4 Pro

DeepSeek · August 2026

DeepSeek's most capable model: chat, code, hard problems and multi-step work. Deeper reasoning, and it costs more.

  • 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

  • Low

  • High

  • Max

Providers

Files you can attach

  • ImagesNot supported
  • 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 searchSupported

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