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Claude Agent SDK
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MagicSchool
S
TaglineRun any open-source AI model with an API call.Anthropic's SDK for building your own agents on Claude.AI platform built for teachers. Lesson plans + IEPs + admin.
CategoryDev PlatformAgentsEducation
PricingPay per second of computeAPI usage + SDK is freeFree + $100/yr Plus + school plans
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Developers building custom agents for their own company/product.Teachers prepping materials. School districts.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 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
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Developer-only
  • You build the UI
  • Teacher-only focus
  • Less useful for students
Kai's verdictS-tier for open-source model APIs. The default in this space.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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