Jun 30, 2026

W

AI-powered code review assistant for automated pull request summaries and code refactoring.
AI WritingContent GenerationResearchEmail WritingSummarizationRewritingAcademic ResearchBrowser Extension

Overview
What is W?

What The Diff is an AI-powered code review assistant that automates pull request summaries. It helps developers save time by providing instant summaries of changes in pull requests, making it easier to understand the implications of both small and large code changes. It also writes pull request descriptions, sends summarized notifications to stakeholders, and helps refactor minor issues during the review process.

AI-powered code review assistant for automated pull request summaries and code refactoring.

Core Features
Automated PR descriptions
Rich summary notifications
Beautiful changelogs
Weekly progress reports
Inline AI refactoring
Fine-grained settings
Popular Use Cases
  • Automating pull request descriptions to save developer time.
  • Providing simplified summaries to keep non-technical stakeholders informed.
  • Refactoring code with AI support during code review.
How to use
  • Connect with GitHub or Gitlab to create an account and start using What The Diff. Open a pull request
  • and the AI will automatically generate a summary of the changes. You can then use the provided tools to refactor code and share summaries with stakeholders.
Product Timeline
To be verified
Pricing
W uses a Freemium pricing model. Pricing and features may change over time.
Free
$0
25k tokens per month (~10 PRs), Unlimited repositories, Inline code refactoring, Rate limited, No credit card required
Pro – 200k
$19 /month
200k tokens per month (~40 PRs), Unlimited repositories, Instant code refactoring, Slack, Webhook and Email notifications, Priority email support
Deal / Coupon
No coupon listed.
Verification
Tool status
To be verified
Pricing verified
To be verified
Founder claimed
No / To be verified
Source
Official website / Community submitted
Related Tags
AI WritingContent GenerationResearchEmail WritingSummarizationRewritingAcademic ResearchBrowser ExtensionFreemium
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