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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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Devin
A
DALL-E 3
B
Ollama
S
ChatGPT Operator
B
TaglineCognition Labs' autonomous coding engineer.OpenAI's image model. Built into ChatGPT Plus.Run LLMs locally. One-line install, GUI optional.OpenAI's browser agent. Clicks and types on websites for you.
Categoryagentsimagedev platformagents
Pricing$500/moIncluded with ChatGPT Plus $20/moFree + open sourceIncluded with ChatGPT Pro $200/mo
Best forEngineering teams offloading tickets. Ops/platform work.ChatGPT Plus users who want images without paying extra.Devs wanting offline/local LLMs for privacy or experimentation.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 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
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • 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 for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.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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