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What The Diff

PR descriptions and review help

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What What The Diff is

What The Diff is an AI code review and pull request assistant. It generates PR descriptions, explains code differences and offers inline refactoring suggestions, integrating with GitHub or GitLab for development teams, open source maintainers and engineering leads.

What you can do it

  • Generate a pull request description
  • Explain what a diff actually changes
  • Get refactoring suggestions inline
  • Speed up first-pass review

Who it is for

  • Development teams
  • Open source maintainers
  • Engineering leads

What to watch out for

  • Code security, false positives and missed issues still need team review
  • It is not a substitute for review of critical code
  • Repository access needs scoping
  • Confirm current plan limits

Pros & cons

✓ What we like

  • Removes PR description writing
  • Explains diffs clearly
  • Works with GitHub and GitLab

! What to watch out for

  • Human review still required
  • False positives possible
  • Repository access to scope

FAQ

Who is it for?

Development teams, open source maintainers and engineering leads.

Can it replace manual review?

No. Critical code still needs human judgement.

What should I prepare?

Goals, materials and constraints such as repositories and review standards.

Last reviewed: 2026-09-17

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