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.

Best for
Coding, 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

Ready to try it?

Polymeti is currently invite-only.

Log in

Request an invitation

Bring your own API key · Your chats stay in your browser