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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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S
Claude Agent SDK
S
Granola
S
TaglineRun any open-source AI model with an API call.Anthropic's SDK for building your own agents on Claude.Meeting notes that don't suck. Runs locally, no bot joins.
CategoryDev PlatformAgentsMeetings
PricingPay per second of computeAPI usage + SDK is freeFree + $18/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Developers building custom agents for their own company/product.Founders, execs, consultants who live in calls.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Developer-only
  • You build the UI
  • Mac-only
  • Single-user by design
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier. Category-defining UX. If you take notes in meetings, switch this week.
LinkOpen →Open →Open →