# What The Diff

> Use AI to explain pull-request changes in GitHub and GitLab.

What The Diff helps users use AI to explain pull-request changes in GitHub and GitLab. The product supports pull-request summaries and gitHub and GitLab integration. Starting points include understand a code change before review and prepare a readable change summary. Check the documentation, license, supported models, hardware requirements, and any separate API or hosting costs. Test on a small representative project before integrating it into an existing system.

## Quick facts

- Categories: Code Assistant
- Official site: https://whatthediff.ai/
- Last checked: 2026-09-25

## Key features

- Pull-request summaries
- GitHub and GitLab integration

## Use cases

- Understand a code change before review
- Prepare a readable change summary

## Links

- Nextool.ai page: https://nextool.ai/tools/what-the-diff/
- Alternatives: https://nextool.ai/alternatives/what-the-diff/

Source: Nextool.ai (https://nextool.ai/tools/what-the-diff/). Pricing and features change; confirm on the provider's site before relying on them.