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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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Coding
Agents
Research
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Dev Platform
Data
Marketing
Education
Manus
S
Rows
A
Fireflies
A
Hume AI
A
TaglineAutonomous AI agent that actually finishes tasks.Spreadsheets with AI + live integrations baked in.Sales-focused meeting AI with CRM integration.Voice AI that reads + expresses emotion.
CategoryAgentsDataMeetingsVoice
PricingFree tier + $39-$199/moFree + $19-$89/user/moFree + $10-$19/user/moFree tier + pay-as-you-go
Best forPeople who want to hand off tasks entirely — trip planning, research, spreadsheet building.Ops teams, marketers, anyone building dashboards from multiple sources.Sales teams, customer success, anyone running many discovery calls.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Niche use case
  • Pricing ramps fast
Kai's verdictS-tier in the agent category. The first one I'd give to a non-technical friend.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for sales teams. B-tier for solo users.A-tier in its niche. The only one that actually gets emotion right.
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