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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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Replit Agent
A
MagicSchool
S
Windsurf
A
TaglineReplit's AI that builds + deploys full apps on their platform.AI platform built for teachers. Lesson plans + IEPs + admin.Codeium's agentic IDE. Cascade agent + strong free tier.
CategoryCodingEducationCoding
Pricing$10-$25/mo Core/TeamsFree + $100/yr Plus + school plansFree + $15/mo Pro
Best forTeachers, students, prototypers, hackathon builders.Teachers prepping materials. School districts.Developers who want Cursor-like power for less money.
Strengths
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • 60+ teacher-specific tools
  • Generous free tier
  • FERPA + COPPA compliant for schools
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
Weaknesses
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Teacher-only focus
  • Less useful for students
  • Smaller community
  • Model selection more limited
Kai's verdictA-tier. Best for teaching a kid to code in 2026.S-tier for teachers. If you teach K-12, start here this week.A-tier. Close second to Cursor. If $5/mo matters, start here.
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