📂 Assistant Code 👁 2.9k views 🕐 May 28, 2026

WhatTheDiff

WhatTheDiff is an AI-powered app designed for development teams using GitHub or.

WhatTheDiff is an AI-powered app designed for development teams using GitHub or Gitlab, aiming to simplify the code review process by automatically generating descriptive comments about changes in plain English. It's particularly useful for teams looking to improve their continuous integration and code review processes. By leveraging AI, WhatTheDiff helps make pull requests more accessible to everyone involved, including non-technical stakeholders. The app integrates with GitHub and Gitlab, utilizing their APIs to read the diff of pull requests without storing any code. This approach ensures privacy and security for the users' projects. WhatTheDiff offers various features such as automated PR descriptions, rich summary notifications, and the ability to refactor minor issues during the review process, making it a valuable tool for development teams seeking to streamline their workflow and enhance collaboration. Teams with frequent pull requests and a need for clear, concise communication about code changes will find the most value in WhatTheDiff, as it saves time and reduces misunderstandings. Additionally, teams that struggle with keeping non-technical stakeholders informed about project progress can benefit from WhatTheDiff's summarized notifications.

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Features
Automated PR descriptions
WhatTheDiff uses AI to write descriptions for changes in pull requests, saving time and effort.
Rich summary notifications
The app sends out simplified and translated summaries to keep non-technical stakeholders updated.
Inline AI refactoring
WhatTheDiff allows for code refactoring with AI support, improving the efficiency of the review process.
Beautiful changelogs
Users can share a public changelog or consume it via its JSON API for internal use, enhancing transparency and project tracking.
Verdict
Best forTeams doing Assistant Code work who need consistent output without a steep learning curve.
Skip ifYou only need this once or twice; the subscription cost won't pay off for occasional use.
Enhances collaboration by making code changes more understandable to non-technical team members.
Saves time by automating the process of writing descriptions for pull requests.
Improves the efficiency of the code review process with AI-powered refactoring suggestions.
Requires full access to the codebase due to GitHub and Gitlab's permission limitations, which might be a concern for some teams.
Unused tokens do not roll over to the next month, which could lead to inefficiencies in token usage if not managed properly.
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Frequently Asked Questions
WhatTheDiff is an AI-powered app that reviews the diff of your pull requests and writes a descriptive comment about the changes in plain English. It integrates with GitHub and Gitlab to enhance the code review process.
WhatTheDiff uses the GitHub/Gitlab API to get the diff of your pull request and then uses an AI model to generate a description of the changes. It does not store your code, ensuring privacy and security.
If you run out of tokens, you can upgrade to a bigger plan or wait until your next billing cycle. WhatTheDiff does not automatically upgrade your plan.
Yes, WhatTheDiff supports nearly all programming languages and can explain the diff in plain English or other supported languages.
Tokens are used to process the git diff of your pull requests. Big diffs require more tokens for processing, with average pull requests needing around 2,300 tokens.
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WhatTheDiff
WhatTheDiff
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