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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
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Fireflies
A
Rows
A
Hume AI
A
Groq
S
TaglineSales-focused meeting AI with CRM integration.Spreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.The fastest AI inference in the world. Crazy low latency.
CategoryMeetingsDataVoiceDev Platform
PricingFree + $10-$19/user/moFree + $19-$89/user/moFree tier + pay-as-you-goFree tier + pay-as-you-go API
Best forSales teams, customer success, anyone running many discovery calls.Ops teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.Developers who need sub-100ms LLM responses.
Strengths
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • 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
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictA-tier for sales teams. B-tier for solo users.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.S-tier for speed. When latency is the product, start here.
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