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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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Chatbots
Research
Coding
Image
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Meetings
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Productivity
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Agents
Dev Platform
Data
Marketing
Education
Perplexity
S
Elicit
S
ChatGPT Operator
B
Taskade
B
TaglineAI search done right. Cited answers, not chat theater.AI research assistant for academic literature.OpenAI's browser agent. Clicks and types on websites for you.AI project management with agents for each team.
CategoryResearchResearchAgentsProductivity
PricingFree + $20/mo ProFree + $12-$42/moIncluded with ChatGPT Pro $200/moFree + $8-$20/user/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Grad students, researchers, anyone doing literature reviews.Power users willing to pay $200/mo for a browser bot.Small teams wanting AI baked into project management.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Academic-only
  • Can hallucinate citations — verify everything
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Feature sprawl
  • AI agents need tuning to be useful
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for academic research. Nothing else comes close for systematic reviews.B-tier. Still early. Manus is more flexible for less money.B-tier. Solid product but crowded market. Try it if Notion AI feels too generic.
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