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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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Fireflies
A
Claude Code
S
Cartesia
S
TaglineSales-focused meeting AI with CRM integration.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Ultra-low-latency voice. Built for realtime agents.
CategoryMeetingsCodingVoice
PricingFree + $10-$19/user/moPart of Claude Pro/Max/Team plansFree tier + usage-based API
Best forSales teams, customer success, anyone running many discovery calls.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Developers building voice agents, phone bots, interactive apps.
Strengths
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • < 90ms latency — the fastest in the market
  • Sonic model sounds natural
  • Developer-friendly API
Weaknesses
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Fewer voices than ElevenLabs
  • Less consumer-facing brand
Kai's verdictA-tier for sales teams. B-tier for solo users.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for realtime. If latency matters more than voice catalog, start here.
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