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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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S
v0
S
Leonardo.ai
A
Gemini
A
TaglineVS Code fork that made AI coding actually work.Vercel's AI-powered UI generator. Prompt to shadcn component.Gamer + creator image gen with model fine-tuning built in.Google's answer. Best integrated with Workspace + free for a lot.
CategoryCodingDesignImageChatbots
PricingFree + $20/mo Pro + $40/mo BusinessFree + $20/moFree + $12-$60/moFree + $20/mo Advanced (bundled with 2TB Drive)
Best forDevelopers. Non-developers who want to ship working code.Frontend devs, PMs prototyping UIs, anyone on Next.js.Indie game devs, illustrators, anyone training custom style models.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Best for shadcn stack
  • Iterating can be fiddly
  • General output behind Midjourney
  • Can be overwhelming
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier. If you're on Vercel/shadcn, this is cheating.A-tier for creators training custom looks. B-tier for general use.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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