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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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Image
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Devin
A
Perplexity
S
Hex
A
Luma Dream Machine
A
TaglineCognition Labs' autonomous coding engineer.AI search done right. Cited answers, not chat theater.Modern data notebook with Magic AI assistant.Smooth, cinematic motion. Image-to-video specialist.
CategoryAgentsResearchDataVideo
Pricing$500/moFree + $20/mo ProFree + $28+/user/moFree + $10-$500/mo
Best forEngineering teams offloading tickets. Ops/platform work.Replacing Google for any question where you want a cited answer in seconds.Data teams at startups + enterprises.Photographers animating stills, cinematic b-roll.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Overkill for casual users
  • Enterprise pricing
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier for data teams. S-tier if you already live in SQL + Python.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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