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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
Devin
A
ChatGPT Operator
B
Perplexity
S
TaglineOpenAI's video model. Long clips, cinematic quality.Cognition Labs' autonomous coding engineer.OpenAI's browser agent. Clicks and types on websites for you.AI search done right. Cited answers, not chat theater.
Categoryvideoagentsagentsresearch
PricingIncluded with ChatGPT Plus/Pro$500/moIncluded with ChatGPT Pro $200/moFree + $20/mo Pro
Best forChatGPT subscribers experimenting with cinematic shots.Engineering teams offloading tickets. Ops/platform work.Power users willing to pay $200/mo for a browser bot.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier. Still early. Manus is more flexible for less money.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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