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Tools · Comparison

Cursor vs GitHub Copilot vs Mails.ai

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

CursorGitHub CopilotMails.ai
What it isAI-first code editor built for speed with intelligent auto-completion and codebase understanding.AI pair programmer that helps you write code faster with intelligent suggestions right in your IDE.Self-serve AI email API + MCP for agents. Per-agent addresses, per-agent reputation, native prompt-injection scanning on every inbound.
CategoryCode AssistantCode AssistantCode Assistant
PricingFreemium · $20/moPaid · $10-$39/moFreemium · $15 - $149/mo
How it billsFlat monthlyFlat monthlyFlat monthly
Free tierYesNoYes
Rating4.8 from 4,500 reviews4.6 from 11,200 reviewsNot yet rated
Features
  • AI-native editor
  • Codebase understanding
  • Multi-file editing (Composer)
  • Inline generation (Cmd+K)
  • Multiple AI models
  • Tab completion
  • Bug detection
  • Natural language editing
  • Real-time code completion
  • Chat-based assistance
  • Multi-file editing
  • Test generation
  • Code explanation
  • Vulnerability detection
  • PR summaries
  • CLI assistance
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What works
  • Best AI code editor
  • Understands full codebase
  • VS Code compatibility
  • Multiple model support
  • Incredibly fast
  • Massive productivity boost
  • Multi-language support
  • Excellent IDE integration
  • Learns from your codebase
  • Active development
  • 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
What does not
  • Subscription required for full features
  • Can be resource-intensive
  • Newer with some bugs
  • Limited free completions
  • Requires subscription
  • Occasional incorrect suggestions
  • Privacy concerns with code
  • Can slow down IDE
  • Variable quality by language
  • 97 other tools in this catalogue claim to do the same job
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