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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.
Pick tools (4 selected)
Dev Platform
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Rows
A
Fireflies
A
Hume AI
A
OpenRouter
S
TaglineSpreadsheets with AI + live integrations baked in.Sales-focused meeting AI with CRM integration.Voice AI that reads + expresses emotion.One API, every model. Pay-as-you-go, no subscriptions.
CategoryDataMeetingsVoiceDev Platform
PricingFree + $19-$89/user/moFree + $10-$19/user/moFree tier + pay-as-you-goPay per token — model-dependent
Best forOps 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.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • 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
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • 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
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-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.S-tier for model-shopping. I use this for every prototype before committing.
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