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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
Cursor
S
Elicit
S
Lex
A
TaglineOpenAI's video model. Long clips, cinematic quality.VS Code fork that made AI coding actually work.AI research assistant for academic literature.Google Docs with an AI collaborator baked in.
CategoryVideoCodingResearchWriting
PricingIncluded with ChatGPT Plus/ProFree + $20/mo Pro + $40/mo BusinessFree + $12-$42/moFree + $12/mo
Best forChatGPT subscribers experimenting with cinematic shots.Developers. Non-developers who want to ship working code.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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 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
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • 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 coding. If you write code of any kind, this pays back the $20 in a day.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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