is the next model out?

Audience measurement

Visits are counted for the public audience. You can opt out.

moreless

Page views, country, device type and browser. No advertising cookie, no cross-site tracking, no third-party tool. A random local ID stays 13 months, so you are counted once. Records are kept 25 months. You can stop everything here.

Every switch below is yours. Aligned with GDPR and the EU ePrivacy rules, the CCPA for the United States and privacy laws worldwide. Read the page.

OpenAI

Is GPT-5.1-Codex-Max out? Yes, since November 19, 2025

Yes. GPT-5.1-Codex-Max was released on November 19, 2025.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? GPT-5.1-Codex-Max

See community experiences
Lab
OpenAI
Family
GPT
Release date
Source
OpenAI · GPT-5.1-Codex-Max

What changed

  • context 400k tokens · Context window of GPT-5.1-Codex-Max. First tracked model of this family in the catalogue.
  • price $1.25 / MTok · Prompt price of GPT-5.1-Codex-Max. First tracked model of this family in the catalogue.

About GPT-5.1-Codex-Max

GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...

Next GPT model to watch

Questions

When was GPT-5.1-Codex-Max released?
GPT-5.1-Codex-Max was released on November 19, 2025.
Who makes GPT-5.1-Codex-Max?
GPT-5.1-Codex-Max is made by OpenAI.
What comes after GPT-5.1-Codex-Max?
GPT-5.2, released on December 11, 2025.