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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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Leonardo.ai
A
Sora
A
Gemini
A
NotebookLM
S
TaglineGamer + creator image gen with model fine-tuning built in.OpenAI's video model. Long clips, cinematic quality.Google's answer. Best integrated with Workspace + free for a lot.Google's research notebook. Turns your docs into a podcast.
CategoryImageVideoChatbotsResearch
PricingFree + $12-$60/moIncluded with ChatGPT Plus/ProFree + $20/mo Advanced (bundled with 2TB Drive)Free
Best forIndie game devs, illustrators, anyone training custom style models.ChatGPT subscribers experimenting with cinematic shots.Anyone already on Google, research tasks, summarizing long documents.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier for creators training custom looks. B-tier for general use.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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