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Tools · Comparison

Aider vs Codeium vs Refraction AI

All three are code assistant tools. Here is what separates them.

AiderCodeiumRefraction AI
What it isAn open-source pair programmer in the terminal that edits your files and commits each change to git.Manage fleets of local and cloud agents from one surface. Plan, delegate, review, and ship without leaving your editor.Refactor code, generate documentation, create unit tests and more. Simply paste a block of code, choose your language or framework, then hit "Generate" to…
CategoryCode AssistantCode AssistantCode Assistant
PricingFree · Free · model API costs applyFree · FreePaid · $8/mo
How it billsFreeFreeFlat monthly
Free tierYesYesNo
RatingNot yet rated4.2 from 2,200 reviewsNot yet rated
Features
  • Every edit becomes a git commit
  • Repository map for context selection
  • Works with most model APIs
  • Voice input
  • Runs and reads test output
  • Free code completion
  • 70+ language support
  • All major IDE support
  • AI chat
  • Code search
  • In-line suggestions
  • Custom commands
  • Repository context
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What works
  • Undo is just git revert
  • No subscription beyond model costs
  • Editor-agnostic
  • Completely free for individuals
  • Wide language support
  • Supports all IDEs
  • Fast completions
  • No code upload
  • Publishes its price openly — $8/mo
  • Sits in Code Assistant, one of the better-covered categories here — easy to compare
What does not
  • Terminal-only, no GUI
  • You manage the API keys and costs
  • Steeper start than an editor plugin
  • Less capable than Copilot
  • Occasional irrelevant suggestions
  • Rebranding confusion
  • Limited enterprise features
  • No free tier — it has to be paid for before it can be tried
  • 97 other tools in this catalogue claim to do the same job
  • 45 tools in the same category have a free tier
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