KaiAI tutor for anyone

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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)
Chatbots
Research
Coding
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Agents
Dev Platform
Data
Marketing
Education
Gemini
A
Rows
A
Claude Agent SDK
S
Replicate
S
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.Spreadsheets with AI + live integrations baked in.Anthropic's SDK for building your own agents on Claude.Run any open-source AI model with an API call.
CategoryChatbotsDataAgentsDev Platform
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Free + $19-$89/user/moAPI usage + SDK is freePay per second of compute
Best forAnyone already on Google, research tasks, summarizing long documents.Ops teams, marketers, anyone building dashboards from multiple sources.Developers building custom agents for their own company/product.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • 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
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Developer-only
  • You build the UI
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-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 open-source model APIs. The default in this space.
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