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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
Groq
S
DALL-E 3
B
ChatGPT Operator
B
TaglineCognition Labs' autonomous coding engineer.The fastest AI inference in the world. Crazy low latency.OpenAI's image model. Built into ChatGPT Plus.OpenAI's browser agent. Clicks and types on websites for you.
CategoryAgentsDev PlatformImageAgents
Pricing$500/moFree tier + pay-as-you-go APIIncluded with ChatGPT Plus $20/moIncluded with ChatGPT Pro $200/mo
Best forEngineering teams offloading tickets. Ops/platform work.Developers who need sub-100ms LLM responses.ChatGPT Plus users who want images without paying extra.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
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 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
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • 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.S-tier for speed. When latency is the product, start here.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.B-tier. Still early. Manus is more flexible for less money.
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