What The Diff
According to AI Tier List, What The Diff is rated Tier C for Coding & Development. How we rank →
AI-powered tool explaining code changes in pull requests clearly.
What The Diff leverages AI to provide clear and concise explanations for code changes within pull requests (PRs). It aims to help developers reduce code review time and quickly grasp the implications of changes. This tool is particularly useful for development teams needing to easily understand complex code modifications.
Best For
Tier Reason
While What The Diff provides practical features in the niche of automated code reviews, its market position has narrowed as powerful integrated development tools like GitHub Copilot and Cursor now offer similar functionalities natively. It currently lacks the functional breadth and user experience competitiveness compared to general-purpose AI coding tools.
Strengths
Clear code change summaries, Reduced code review time, Improved developer productivity, Enhanced PR comprehension
Weaknesses
Feature overlap with powerful integrated tools, Declining market share, Limited functional scalability
Recent ChangesJul 19, 2026
Focusing on stabilizing code review summaries and automated PR descriptions, but the pace of innovative updates in the market has somewhat stagnated.
Get notified when What The Diff changes tier
We re-evaluate What The Diff as it ships. We email you when its tier moves — once a week, no spam.
Related Tools
All What The Diff alternativesGitHub Copilot
Most widely adopted AI coding assistant
OpenAI Codex CLI
CLI coding tool included with ChatGPT Plus
Replit AI
AI coding assistant integrated into Replit IDE.
Supermaven
Ultra-fast autocomplete coding assistant
Aider
Open-source CLI coding assistant
JetBrains AI Assistant
AI assistant for JetBrains IDEs