What the Diff vs Greptile

A detailed comparison to help you choose between What the Diff and Greptile.

What the Diff

What the Diff

AI code review summaries for GitHub PRs

Greptile

Greptile

Ask questions about any codebase

Rating4.9 (186 reviews)4.8 (110 reviews)
Pricing Modelfreemiumfreemium
Starting PriceFree tier availableFree tier available
Best ForEngineering teams wanting AI to summarize PRs for faster code reviewEngineering teams onboarding developers or debugging complex codebases
Free Tier
API Access
Team Features
Open Source
Tags
free tierteam features
free tierteam features
Visit What the Diff →Visit Greptile →

What the Diff

Pros

  • + Automatic PR summaries
  • + Saves review context-setting time
  • + Easy GitHub integration

Cons

  • - Summary only — no deep review
  • - Limited to GitHub
View full What the Diffreview →

Greptile

Pros

  • + Deep codebase understanding
  • + GitHub integration
  • + Useful for onboarding

Cons

  • - Limited code generation
  • - Best for Q&A not writing code
View full Greptilereview →

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What the Diff vs Greptile — Comparison 2026 | ToolSpotter