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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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Agents
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Video
Audio
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Chatbots
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Meetings
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ChatGPT Operator
B
Kling
A
Lex
A
Sudowrite
S
TaglineOpenAI's browser agent. Clicks and types on websites for you.Kuaishou's video model. The surprise standout.Google Docs with an AI collaborator baked in.AI writing tool built specifically for fiction writers.
CategoryAgentsVideoWritingWriting
PricingIncluded with ChatGPT Pro $200/moCredit-based, free trialFree + $12/mo$19-$59/mo
Best forPower users willing to pay $200/mo for a browser bot.Anyone who wants top-tier video quality for less.Essays, long-form drafts, thinking on the page.Novelists, screenwriters, fiction short-form writers.
Strengths
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
Weaknesses
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • UX is rough for English speakers
  • Queue times
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Pricey for casual use
  • Fiction-only focus — not for business writing
Kai's verdictB-tier. Still early. Manus is more flexible for less money.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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