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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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Leonardo.ai
A
v0
S
Gemini
A
TaglineGamer + creator image gen with model fine-tuning built in.Vercel's AI-powered UI generator. Prompt to shadcn component.Google's answer. Best integrated with Workspace + free for a lot.
CategoryImageDesignChatbots
PricingFree + $12-$60/moFree + $20/moFree + $20/mo Advanced (bundled with 2TB Drive)
Best forIndie game devs, illustrators, anyone training custom style models.Frontend devs, PMs prototyping UIs, anyone on Next.js.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Best for shadcn stack
  • Iterating can be fiddly
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-tier for creators training custom looks. B-tier for general use.S-tier. If you're on Vercel/shadcn, this is cheating.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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