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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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Dev Platform
Audio
Research
Agents
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Image
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Voice
Meetings
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Productivity
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ChatGPT Operator
B
Genspark
A
Rows
A
Hume AI
A
TaglineOpenAI's browser agent. Clicks and types on websites for you.AI agent for deep search. Generates Sparkpages — full mini-reports.Spreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.
CategoryAgentsResearchDataVoice
PricingIncluded with ChatGPT Pro $200/moFree + $25/mo PlusFree + $19-$89/user/moFree tier + pay-as-you-go
Best forPower users willing to pay $200/mo for a browser bot.Travel planning, shopping comparisons, deep research where you want an artifact back.Ops teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
Kai's verdictB-tier. Still early. Manus is more flexible for less money.A-tier. Bet on this one — the Sparkpage format is genuinely new.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.
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