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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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Sora
A
Ideogram
S
Elicit
S
Lex
A
TaglineOpenAI's video model. Long clips, cinematic quality.The one that actually gets text in images right.AI research assistant for academic literature.Google Docs with an AI collaborator baked in.
CategoryVideoImageResearchWriting
PricingIncluded with ChatGPT Plus/ProFree + $8/mo + $20/mo + $60/moFree + $12-$42/moFree + $12/mo
Best forChatGPT subscribers experimenting with cinematic shots.Anything with text — posters, ads, album covers, slide decks.Grad students, researchers, anyone doing literature reviews.Essays, long-form drafts, thinking on the page.
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Academic-only
  • Can hallucinate citations — verify everything
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier for academic research. Nothing else comes close for systematic reviews.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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