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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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Claude Code
S
Bolt.new (StackBlitz)
A
Flux (Black Forest Labs)
A
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Prompt to deployed full-stack app in the browser.Open weights + strong photorealism. The open-source answer.
Categorycodingcodingimage
PricingPart of Claude Pro/Max/Team plansFree + $20-$200/moAPI + open weights (Schnell is Apache 2.0)
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.PMs, founders, non-devs shipping MVPs.Developers + power users who want control and privacy.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Best for fast prototypes. Competitive with Lovable — try both.A-tier. S-tier if you self-host. The reason open-source image gen matters.
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