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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
ChatGPT Operator
B
Groq
S
Perplexity
S
TaglinePrompt to deployed full-stack app in the browser.OpenAI's browser agent. Clicks and types on websites for you.The fastest AI inference in the world. Crazy low latency.AI search done right. Cited answers, not chat theater.
CategoryCodingAgentsDev PlatformResearch
PricingFree + $20-$200/moIncluded with ChatGPT Pro $200/moFree tier + pay-as-you-go APIFree + $20/mo Pro
Best forPMs, founders, non-devs shipping MVPs.Power users willing to pay $200/mo for a browser bot.Developers who need sub-100ms LLM responses.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. Best for fast prototypes. Competitive with Lovable — try both.B-tier. Still early. Manus is more flexible for less money.S-tier for speed. When latency is the product, start here.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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