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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
Claude Code
S
Ollama
S
ChatGPT Operator
B
TaglinePrompt to deployed full-stack app in the browser.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Run LLMs locally. One-line install, GUI optional.OpenAI's browser agent. Clicks and types on websites for you.
Categorycodingcodingdev platformagents
PricingFree + $20-$200/moPart of Claude Pro/Max/Team plansFree + open sourceIncluded with ChatGPT Pro $200/mo
Best forPMs, founders, non-devs shipping MVPs.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Devs wanting offline/local LLMs for privacy or experimentation.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
Kai's verdictA-tier. Best for fast prototypes. Competitive with Lovable — try both.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for local inference. If you care about privacy or want to tinker, install this today.B-tier. Still early. Manus is more flexible for less money.
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