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Compare AI tools

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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Dev Platform
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Voice
Video
Audio
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Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Gamma
A
Luma Dream Machine
A
ChatGPT Operator
B
Sudowrite
S
TaglineAI slide decks that don't look AI-generated.Smooth, cinematic motion. Image-to-video specialist.OpenAI's browser agent. Clicks and types on websites for you.AI writing tool built specifically for fiction writers.
CategoryProductivityVideoAgentsWriting
PricingFree + $10-$20/moFree + $10-$500/moIncluded with ChatGPT Pro $200/mo$19-$59/mo
Best forPitch decks, proposals, internal presentations — fast.Photographers animating stills, cinematic b-roll.Power users willing to pay $200/mo for a browser bot.Novelists, screenwriters, fiction short-form writers.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Prompt fidelity below Runway
  • Queue times on free tier
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Pricey for casual use
  • Fiction-only focus — not for business writing
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.B-tier. Still early. Manus is more flexible for less money.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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