Models

GPT-5 Mini

OpenAI · August 2025

A smaller GPT-5 for conversation and code.

Superseded by GPT-5.4 Mini →

  • Modalities

  • Context window

    400,000 tokens, ≈ 300,000 words · about 1,200 pages

  • Max output

    128,000 tokens, ≈ 96,000 words in a single answer

  • Knowledge cutoff

    May 2024

Reasoning effort

  • Minimal

  • Low

  • Medium

  • High

Providers

Files you can attach

  • ImagesJPG, PNG, GIF, WEBP
  • DocumentsPDF, DOCX, XLSX, PPTX
  • 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
  • Hosted shellNot supported
  • Apply patchNot supported
  • Tool searchNot supported

Features

  • StreamingSupported
  • Function callingSupported
  • Structured outputsSupported
  • Fine-tuningNot supported

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