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Tools · Comparison

AgentKit vs Cursor vs Sendmux

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

AgentKitCursorSendmux
What it isBuild a custom AI agent from your website, docs, and FAQs. Embed on any site, answer customer questions 24/7, and take action — no code needed.AI-first code editor built for speed with intelligent auto-completion and codebase understanding.Sendmux is an email API that gives every AI agent a real inbox. Send and receive, route outbound through your own providers, and fail over automatically.
CategoryCode AssistantCode AssistantCode Assistant
PricingFreemiumFreemium · $20/moFreemium
How it billsNot publishedFlat monthlyNot published
Free tierYesYesYes
RatingNot yet rated4.8 from 4,500 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
What works
  • Best AI code editor
  • Understands full codebase
  • VS Code compatibility
  • Multiple model support
  • Incredibly fast
What does not
  • Subscription required for full features
  • Can be resource-intensive
  • Newer with some bugs
  • Limited free completions