ChatGPT VIDEO 4 November 2025

Automatic code reviews with OpenAI Codex

Maja Trębacz and Romain Huet show you how to set up Codex to automatically review new pull requests in GitHub and in the Codex CLI, and discuss the research approach we used to train our models to generate quality code reviews. Timestamps:...

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Maja Trębacz and Romain Huet show you how to set up Codex to automatically review new pull requests in GitHub and in the Codex CLI, and discuss the research approach we used to tra...

Maja Trębacz and Romain Huet show you how to set up Codex to automatically review new pull requests in GitHub and in the Codex CLI, and discuss the research approach we used to train our models to generate quality code reviews.

Timestamps:

00:00 Intro 01:23 Automatic code review in GitHub 02:34 Codex code review vs static analysis 03:31 Training models for high-signal code reviews 04:18 How OpenAI uses Codex code review 05:57 Customizing code review with AGENTS.md 06:58 Code reviews in the Codex CLI

Try it yourself: Code review: http://chatgpt.com/codex/code-review

Learn more: Codex: openai.com/codex Developer docs: https://developers.openai.com/codex/cloud/code-review

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