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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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Claude Code
S
Devin
A
Khanmigo
S
Groq
S
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Cognition Labs' autonomous coding engineer.Khan Academy's AI tutor. Socratic method, built for learning.The fastest AI inference in the world. Crazy low latency.
CategoryCodingAgentsEducationDev Platform
PricingPart of Claude Pro/Max/Team plans$500/mo$4/mo (free for teachers)Free tier + pay-as-you-go API
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Engineering teams offloading tickets. Ops/platform work.Students K-12. Parents helping with homework. Teachers prepping lessons.Developers who need sub-100ms LLM responses.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.S-tier for speed. When latency is the product, start here.
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