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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
Claude Agent SDK
S
Cursor
S
TaglinePrompt to deployed full-stack app in the browser.The one that actually gets text in images right.Anthropic's SDK for building your own agents on Claude.VS Code fork that made AI coding actually work.
CategoryCodingImageAgentsCoding
PricingFree + $20-$200/moFree + $8/mo + $20/mo + $60/moAPI usage + SDK is freeFree + $20/mo Pro + $40/mo Business
Best forPMs, founders, non-devs shipping MVPs.Anything with text — posters, ads, album covers, slide decks.Developers building custom agents for their own company/product.Developers. Non-developers who want to ship working code.
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
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Developer-only
  • You build the UI
  • Can feel overwhelming for non-coders
  • Expensive at scale
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 builders. The right primitives. What Kai is built on under the hood.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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