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Tools · Comparison

Claude Code vs Mails.ai vs Refraction AI

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

Claude CodeMails.aiRefraction AI
What it isAnthropic’s terminal-based coding agent: it reads the repository, edits files, runs tests and commits.Self-serve AI email API + MCP for agents. Per-agent addresses, per-agent reputation, native prompt-injection scanning on every inbound.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
PricingPaid · Included with Claude Pro $20/mo · Max from $100/moFreemium · $15 - $149/moPaid · $8/mo
How it billsBundledFlat monthlyFlat monthly
Free tierNoYesNo
RatingNot yet ratedNot yet ratedNot yet rated
Features
  • Multi-file edits across a repository
  • Runs tests and iterates on failures
  • Git-aware, can commit and open pull requests
  • CLI, desktop, web and IDE extensions
  • Extensible with MCP servers and custom skills
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What works
  • Handles whole tasks rather than single lines
  • Strong at understanding an unfamiliar codebase
  • Works with any editor because it lives in the terminal
  • Has a free tier, so it can be tried before paying
  • Publishes its price openly — $15 - $149/mo
  • Sits in Code Assistant, one of the better-covered categories here — easy to compare
  • Publishes its price openly — $8/mo
  • Sits in Code Assistant, one of the better-covered categories here — easy to compare
What does not
  • Requires a paid Claude plan
  • Reviewing large diffs takes discipline
  • Token cost adds up on big repositories
  • 97 other tools in this catalogue claim to do the same job
  • 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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