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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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Chatbots
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Image
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Agents
Dev Platform
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Lex
A
Ideogram
S
Sora
A
Sudowrite
S
TaglineGoogle Docs with an AI collaborator baked in.The one that actually gets text in images right.OpenAI's video model. Long clips, cinematic quality.AI writing tool built specifically for fiction writers.
CategoryWritingImageVideoWriting
PricingFree + $12/moFree + $8/mo + $20/mo + $60/moIncluded with ChatGPT Plus/Pro$19-$59/mo
Best forEssays, long-form drafts, thinking on the page.Anything with text — posters, ads, album covers, slide decks.ChatGPT subscribers experimenting with cinematic shots.Novelists, screenwriters, fiction short-form writers.
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Pricey for casual use
  • Fiction-only focus — not for business writing
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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