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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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Bolt.new (StackBlitz)
A
Perplexity
S
Claude Agent SDK
S
Ideogram
S
TaglinePrompt to deployed full-stack app in the browser.AI search done right. Cited answers, not chat theater.Anthropic's SDK for building your own agents on Claude.The one that actually gets text in images right.
CategoryCodingResearchAgentsImage
PricingFree + $20-$200/moFree + $20/mo ProAPI usage + SDK is freeFree + $8/mo + $20/mo + $60/mo
Best forPMs, founders, non-devs shipping MVPs.Replacing Google for any question where you want a cited answer in seconds.Developers building custom agents for their own company/product.Anything with text — posters, ads, album covers, slide decks.
Strengths
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Developer-only
  • You build the UI
  • Aesthetic ceiling below Midjourney
  • Less style variety
Kai's verdictA-tier. Best for fast prototypes. Competitive with Lovable — try both.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for text-in-image. Use this for posters, Midjourney for art.
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