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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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Data
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Perplexity
S
ChatGPT Operator
B
Udio
A
Manus
S
TaglineAI search done right. Cited answers, not chat theater.OpenAI's browser agent. Clicks and types on websites for you.Suno's main rival. Often better on instrumental nuance.Autonomous AI agent that actually finishes tasks.
CategoryResearchAgentsAudioAgents
PricingFree + $20/mo ProIncluded with ChatGPT Pro $200/moFree + $10-$30/moFree tier + $39-$199/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.Musicians comparing AI outputs. Anyone who didn't click with Suno.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.
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
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
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
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
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. Genuinely different vibe from Suno — worth trying both for a month.S-tier in the agent category. The first one I'd give to a non-technical friend.
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