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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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Perplexity
S
ChatGPT Operator
B
Sora
A
Writesonic
B
TaglineAI search done right. Cited answers, not chat theater.OpenAI's browser agent. Clicks and types on websites for you.OpenAI's video model. Long clips, cinematic quality.SEO-first AI writer. Optimized for ranking content.
CategoryResearchAgentsVideoMarketing
PricingFree + $20/mo ProIncluded with ChatGPT Pro $200/moIncluded with ChatGPT Plus/ProFree + $15-$99/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Power users willing to pay $200/mo for a browser bot.ChatGPT subscribers experimenting with cinematic shots.Content marketers churning out SEO articles.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.B-tier. Still early. Manus is more flexible for less money.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
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