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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
Ollama
S
Runway
S
TaglineCognition Labs' autonomous coding engineer.Run LLMs locally. One-line install, GUI optional.The pro's AI video tool. Gen-4 is the current bar.
CategoryAgentsDev PlatformVideo
Pricing$500/moFree + open sourceFree + $15-$95/mo
Best forEngineering teams offloading tickets. Ops/platform work.Devs wanting offline/local LLMs for privacy or experimentation.Marketing video, pitch decks, b-roll, creative shorts.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
  • Expensive at scale
  • Still needs post-editing
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for local inference. If you care about privacy or want to tinker, install this today.S-tier. Market leader with reason. Start here for serious video.
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