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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
Fathom
S
Luma Dream Machine
A
TaglineCognition Labs' autonomous coding engineer.Meeting notes, free forever for individuals.Smooth, cinematic motion. Image-to-video specialist.
CategoryAgentsMeetingsVideo
Pricing$500/moFree for individuals + $15-$29/user/mo teamsFree + $10-$500/mo
Best forEngineering teams offloading tickets. Ops/platform work.Solo operators, freelancers, small teams on a budget.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
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • 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
  • Bot-joining model
  • Team features gated
  • 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 solo + free. The best free option, hands down.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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