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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
Claude Code
S
Gemini
A
Leonardo.ai
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Google's answer. Best integrated with Workspace + free for a lot.Gamer + creator image gen with model fine-tuning built in.
CategoryDesignCodingChatbotsImage
PricingFree + $20/moPart of Claude Pro/Max/Team plansFree + $20/mo Advanced (bundled with 2TB Drive)Free + $12-$60/mo
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Anyone already on Google, research tasks, summarizing long documents.Indie game devs, illustrators, anyone training custom style models.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • General output behind Midjourney
  • Can be overwhelming
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier for creators training custom looks. B-tier for general use.
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