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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 Agent SDK
S
MagicSchool
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Anthropic's SDK for building your own agents on Claude.AI platform built for teachers. Lesson plans + IEPs + admin.
Categorycodingagentseducation
PricingFree + $15/mo ProAPI usage + SDK is freeFree + $100/yr Plus + school plans
Best forDevelopers who want Cursor-like power for less money.Developers building custom agents for their own company/product.Teachers prepping materials. School districts.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • 60+ teacher-specific tools
  • Generous free tier
  • FERPA + COPPA compliant for schools
Weaknesses
  • Smaller community
  • Model selection more limited
  • Developer-only
  • You build the UI
  • Teacher-only focus
  • Less useful for students
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for teachers. If you teach K-12, start here this week.
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