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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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Luma Dream Machine
A
Runway
S
Sora
A
TaglineSmooth, cinematic motion. Image-to-video specialist.The pro's AI video tool. Gen-4 is the current bar.OpenAI's video model. Long clips, cinematic quality.
Categoryvideovideovideo
PricingFree + $10-$500/moFree + $15-$95/moIncluded with ChatGPT Plus/Pro
Best forPhotographers animating stills, cinematic b-roll.Marketing video, pitch decks, b-roll, creative shorts.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Prompt fidelity below Runway
  • Queue times on free tier
  • Expensive at scale
  • Still needs post-editing
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictA-tier. Best for cinematic image-to-video. Pair with Runway for coverage.S-tier. Market leader with reason. Start here for serious video.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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