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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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DeepSeek
S
ChatGPT Operator
B
Ollama
S
Devin
A
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.OpenAI's browser agent. Clicks and types on websites for you.Run LLMs locally. One-line install, GUI optional.Cognition Labs' autonomous coding engineer.
CategoryChatbotsAgentsDev PlatformAgents
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Included with ChatGPT Pro $200/moFree + open source$500/mo
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Power users willing to pay $200/mo for a browser bot.Devs wanting offline/local LLMs for privacy or experimentation.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.B-tier. Still early. Manus is more flexible for less money.S-tier for local inference. If you care about privacy or want to tinker, install this today.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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