What is WhatTheDiff?

What The Diff is an AI‑powered assistant for pull requests that automatically writes descriptions, sends summarized notifications, and generates changelogs. It integrates with GitHub and GitLab, processes diffs for almost all programming languages, and does not store or retain code.

Teams can keep stakeholders informed, streamline reviews, and reduce manual commentary through inline AI refactoring and weekly progress reports. Granular settings let users skip CI, delay drafts, and limit token consumption. The tool also offers a public changelog and a JSON API for internal use.

WhatTheDiff details

Company
Beyond Code GmbH
Built for
Developers

WhatTheDiff tech specs

Integrations
Slack GitHub GitLab

WhatTheDiff pricing

Freemium
Free $0
Pro – 200k $19/mo
$19/mo is about average for Documentation Generation median $19/mo
Most Documentation Generation tools start between $9.99 and $29 a month.
Auto-renewal
Yes

WhatTheDiff's key features

  • Automated PR descriptions
  • AI-powered weekly reports
  • Multi-channel notifications
  • Instant refactoring suggestions
  • Changelog generation with JSON feed
  • Language translation for summaries
  • Slack/Email/Webhook integration

WhatTheDiff use cases

  • Generate comprehensive pull request descriptions automatically, saving developers time and ensuring consistent documentation across teams on GitHub and GitLab.
  • Create automatically updated public changelogs for every repository, enabling stakeholders to view release notes without manual effort.
  • Receive real-time pull request progress reports and inline refactoring suggestions through notifications, improving code quality and speeding up merge decisions.

WhatTheDiff user reviews

Would you recommend WhatTheDiff?

Who is WhatTheDiff for?

  • Software developers
  • Engineering managers
  • Project coordinators
  • Technical writers
  • Product owners

WhatTheDiff FAQ

Is WhatTheDiff free?

Partly. WhatTheDiff has a free plan with usage limits, and paid plans unlock the full feature set. Plans include Pro – 200k at $19/mo.

Is WhatTheDiff safe to use?

WhatTheDiff is operated by Beyond Code GmbH.

What are the best alternatives to WhatTheDiff?

The closest alternatives to WhatTheDiff are Coderabbit, Chatprd, Kodus, Gitmore and Ellipsis. You can compare them side by side in the alternatives section further down this page.

Does WhatTheDiff auto-renew or offer refunds?

WhatTheDiff subscriptions renew automatically until you cancel.

Does WhatTheDiff have an API?

Yes. WhatTheDiff offers an API, so you can call it from your own applications instead of using the interface directly.

Who made WhatTheDiff?

WhatTheDiff is built and operated by Beyond Code GmbH.

What does WhatTheDiff integrate with?

WhatTheDiff connects with Slack, GitHub and GitLab.

Compliance, privacy and billing terms are as stated in each product's own published documentation and have not been independently verified by TopAI.tools.

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