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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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v0
S
Cline
A
GitHub Copilot
B
Luma Dream Machine
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Open-source VS Code agent. Reads + writes + runs.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Smooth, cinematic motion. Image-to-video specialist.
CategoryDesignCodingCodingVideo
PricingFree + $20/moFree (open source) + your API costsFree (limited) + $10/mo Pro + $19/mo BusinessFree + $10-$500/mo
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.VS Code users who want agentic coding without changing IDEs.Teams with GitHub already. Devs who don't want to change IDEs.Photographers animating stills, cinematic b-roll.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.A-tier. Best free agentic option in VS Code. Use with Claude for best results.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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