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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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Cursor
S
Groq
S
GitHub Copilot
B
v0
S
TaglineVS Code fork that made AI coding actually work.The fastest AI inference in the world. Crazy low latency.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Vercel's AI-powered UI generator. Prompt to shadcn component.
Categorycodingdev platformcodingdesign
PricingFree + $20/mo Pro + $40/mo BusinessFree tier + pay-as-you-go APIFree (limited) + $10/mo Pro + $19/mo BusinessFree + $20/mo
Best forDevelopers. Non-developers who want to ship working code.Developers who need sub-100ms LLM responses.Teams with GitHub already. Devs who don't want to change IDEs.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for speed. When latency is the product, start here.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier. If you're on Vercel/shadcn, this is cheating.
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