---
title: "GPT-5.1-Codex-Max"
modelId: "gpt-5.1-codex-max"
families:
  - {"id":"gpt-5-1","collection":"families"}
developer:
  id: "openai"
  collection: "orgs"
releaseDate: "2025-11-19"
links:
  announcement: {"label":"Announcement","href":"https://openai.com/index/gpt-5-1-codex-max/"}
  systemCard: {"label":"System Card","href":"https://deploymentsafety.openai.com/gpt-5-3-codex"}
  docs: {"label":"OpenAI API","href":"https://developers.openai.com/api/docs/models/gpt-5.3-codex"}
  modelsDev: {"label":"models.dev","href":"https://models.dev/openai/gpt-5.3-codex"}
surfaces:
  - {"surface":{"id":"openai","collection":"surfaces"},"releaseDate":"2025-11-19","deprecationDate":"2026-04-22","retirementDate":"2026-07-23","requestable":false}
trainingDataCutoff: "2025-08-31"
contextWindow: 400000
maxOutput: 128000
inputModalities:
  - "Text"
  - "Image"
outputModalities:
  - "Text"
pricing:
  input: 1.75
  output: 14
toolUse: true
capabilities:
  image_input: {"supported":true}
  thinking: {"supported":true}
  structured_outputs: {"supported":true}
---

# GPT-5.1-Codex-Max

Canonical URL: https://ghost.fail/models/gpt-5-1-codex-max

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