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Tools · Comparison

Aider vs GitHub Copilot

Both are code assistant tools. Here is what separates them.

AiderGitHub Copilot
What it isAn open-source pair programmer in the terminal that edits your files and commits each change to git.AI pair programmer that helps you write code faster with intelligent suggestions right in your IDE.
CategoryCode AssistantCode Assistant
PricingFree · Free · model API costs applyPaid · $10-$39/mo
How it billsFreeFlat monthly
Free tierYesNo
RatingNot yet rated4.6 from 11,200 reviews
Features
  • Every edit becomes a git commit
  • Repository map for context selection
  • Works with most model APIs
  • Voice input
  • Runs and reads test output
  • Real-time code completion
  • Chat-based assistance
  • Multi-file editing
  • Test generation
  • Code explanation
  • Vulnerability detection
  • PR summaries
  • CLI assistance
What works
  • Undo is just git revert
  • No subscription beyond model costs
  • Editor-agnostic
  • Massive productivity boost
  • Multi-language support
  • Excellent IDE integration
  • Learns from your codebase
  • Active development
What does not
  • Terminal-only, no GUI
  • You manage the API keys and costs
  • Steeper start than an editor plugin
  • Requires subscription
  • Occasional incorrect suggestions
  • Privacy concerns with code
  • Can slow down IDE
  • Variable quality by language

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