Programming Freemium

What The Diff

AI pull-request descriptions, review summaries, refactoring, and changelog automation

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PricingFreemium
Starting price$19/mo
Free planYes
Free trialNo
APIYes
Open sourceNo
DeploymentCloud
Last verifiedJuly 30, 2026
Overview

Tool overview

What The Diff is listed under Programming AI tools.

Summary

What is What The Diff?

What The Diff connects to GitHub or GitLab to summarize pull requests, draft descriptions, notify teams, generate changelog content, produce weekly progress reports, and suggest inline refactoring. It supports repository-level controls, common programming languages, multilingual summaries, webhooks, email, Slack, and a changelog JSON API.

Best fit

Best for

Development teams automating reviewed pull-request documentation and change communication

Audience

Who is it for?

Software engineering teamsOpen-source maintainersDeveloper experience teamsProduct and release managers
Recommendation

Decision note

Confirm token consumption, repository limits, supported hosts, notification channels, API and webhook security, data handling, cancellation, support, and the current larger-volume options.

Capabilities

Key features

Automatic pull-request titles and descriptions

Team summaries through Slack and email

Weekly progress and repository activity reports

Inline AI refactoring suggestions

Changelog generation and public JSON API

Fine-grained settings for repositories and notifications

Workflows

Use cases

Documenting pull requests consistently

Sending reviewed change summaries

Producing a product changelog

Identifying small refactoring opportunities

Strengths

Pros

  • Includes a useful permanent free plan
  • Supports GitHub and GitLab workflows
  • Works across nearly all programming languages
Considerations

Limitations

What The Diff can misunderstand code intent, expose sensitive metadata through notifications, or propose unsafe refactors. Teams must review every output, minimize repository permissions, protect tokens and webhooks, test code changes, and follow internal approval policies.

Cost

Pricing details

Pricing modelFreemium
Starting price$19/mo
Free planYes
Free trialNo
Pricing context

Billing options

Free monthly allowanceMonthly Pro subscription
Pricing context

Pricing note

What The Diff Free costs $0 and includes 25,000 tokens per month, roughly ten pull requests. Pro 200k costs $19 per month and includes about 200,000 tokens, notifications, and priority support. Larger usage depends on the currently offered token options.

View official pricing
Compatibility

Supported programming languages

  • Nearly all programming languages
Connectivity

Integrations

GitHub

GitLab

Slack

Webhooks

Email

Specs

Technical details

PlatformsWeb
Multilingual supportYes
Login requiredYes
Open sourceNo
DeploymentCloud
CompanyBeyond Code
Models / versionsPull Request Descriptions Weekly Progress Inline Refactoring Changelog JSON API
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedJuly 30, 2026
Documentation → Data source →
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Answers

Frequently asked questions

What The Diff connects to GitHub or GitLab to summarize pull requests, draft descriptions, notify teams, generate changelog content, produce weekly progress reports, and suggest inline refactoring. It supports repository-level controls, common programming languages, multilingual summaries, webhooks, email, Slack, and a changelog…
Development teams automating reviewed pull-request documentation and change communication
The listed pricing model for What The Diff is freemium. Pricing can change, so users should verify the latest plan details on the official website.
The current profile does not indicate an available free trial. Check the official website before purchasing.
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