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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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A
Claude Agent SDK
S
Groq
S
Perplexity
S
TaglineSpreadsheets with AI + live integrations baked in.Anthropic's SDK for building your own agents on Claude.The fastest AI inference in the world. Crazy low latency.AI search done right. Cited answers, not chat theater.
CategoryDataAgentsDev PlatformResearch
PricingFree + $19-$89/user/moAPI usage + SDK is freeFree tier + pay-as-you-go APIFree + $20/mo Pro
Best forOps teams, marketers, anyone building dashboards from multiple sources.Developers building custom agents for their own company/product.Developers who need sub-100ms LLM responses.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Developer-only
  • You build the UI
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for speed. When latency is the product, start here.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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