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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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Data
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Manus
S
HeyGen
S
Sora
A
Perplexity
S
TaglineAutonomous AI agent that actually finishes tasks.AI avatar videos. Record once, speak any language.OpenAI's video model. Long clips, cinematic quality.AI search done right. Cited answers, not chat theater.
CategoryAgentsVideoVideoResearch
PricingFree tier + $39-$199/moFree + $24-$65/moIncluded with ChatGPT Plus/ProFree + $20/mo Pro
Best forPeople who want to hand off tasks entirely — trip planning, research, spreadsheet building.Course creators, multilingual marketers, anyone scaling video content.ChatGPT subscribers experimenting with cinematic shots.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier in the agent category. The first one I'd give to a non-technical friend.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.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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