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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
Ideogram
S
Cursor
S
Claude Agent SDK
S
TaglinePrompt to deployed full-stack app in the browser.The one that actually gets text in images right.VS Code fork that made AI coding actually work.Anthropic's SDK for building your own agents on Claude.
CategoryCodingImageCodingAgents
PricingFree + $20-$200/moFree + $8/mo + $20/mo + $60/moFree + $20/mo Pro + $40/mo BusinessAPI usage + SDK is free
Best forPMs, founders, non-devs shipping MVPs.Anything with text — posters, ads, album covers, slide decks.Developers. Non-developers who want to ship working code.Developers building custom agents for their own company/product.
Strengths
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Developer-only
  • You build the UI
Kai's verdictA-tier. Best for fast prototypes. Competitive with Lovable — try both.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for builders. The right primitives. What Kai is built on under the hood.
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