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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Windsurf
A
Claude Code
S
MagicSchool
S
Replit Agent
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Anthropic's CLI agent. Opus-powered, operates on your repo directly.AI platform built for teachers. Lesson plans + IEPs + admin.Replit's AI that builds + deploys full apps on their platform.
Categorycodingcodingeducationcoding
PricingFree + $15/mo ProPart of Claude Pro/Max/Team plansFree + $100/yr Plus + school plans$10-$25/mo Core/Teams
Best forDevelopers who want Cursor-like power for less money.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Teachers prepping materials. School districts.Teachers, students, prototypers, hackathon builders.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • 60+ teacher-specific tools
  • Generous free tier
  • FERPA + COPPA compliant for schools
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
Weaknesses
  • Smaller community
  • Model selection more limited
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Teacher-only focus
  • Less useful for students
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for teachers. If you teach K-12, start here this week.A-tier. Best for teaching a kid to code in 2026.
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