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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
Cursor
S
Runway
S
v0
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.VS Code fork that made AI coding actually work.The pro's AI video tool. Gen-4 is the current bar.Vercel's AI-powered UI generator. Prompt to shadcn component.
Categorycodingcodingvideodesign
PricingFree + $15/mo ProFree + $20/mo Pro + $40/mo BusinessFree + $15-$95/moFree + $20/mo
Best forDevelopers who want Cursor-like power for less money.Developers. Non-developers who want to ship working code.Marketing video, pitch decks, b-roll, creative shorts.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Smaller community
  • Model selection more limited
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Expensive at scale
  • Still needs post-editing
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier. Market leader with reason. Start here for serious video.S-tier. If you're on Vercel/shadcn, this is cheating.
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