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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
Replit Agent
A
Claude Code
S
Google Veo
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Replit's AI that builds + deploys full apps on their platform.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryDesignCodingCodingVideo
PricingFree + $20/mo$10-$25/mo Core/TeamsPart of Claude Pro/Max/Team plansIncluded with Gemini Advanced $20/mo + YouTube creator tools
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Teachers, students, prototypers, hackathon builders.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Gemini Advanced users, YouTube Shorts creators.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.A-tier. Best for teaching a kid to code in 2026.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier if you already pay Gemini. B-tier standalone.
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