KaiAI tutor for anyone

Compare AI tools

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)
Dev Platform
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Rows
A
Gemini
A
OpenRouter
S
Le Chat (Mistral)
B
TaglineSpreadsheets with AI + live integrations baked in.Google's answer. Best integrated with Workspace + free for a lot.One API, every model. Pay-as-you-go, no subscriptions.French alternative. Fast, European, privacy-focused.
CategoryDataChatbotsDev PlatformChatbots
PricingFree + $19-$89/user/moFree + $20/mo Advanced (bundled with 2TB Drive)Pay per token — model-dependentFree + $15/mo Pro
Best forOps teams, marketers, anyone building dashboards from multiple sources.Anyone already on Google, research tasks, summarizing long documents.Developers experimenting across models. Apps that want fallback logic.European users with data residency needs. Fans of open-weight models.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Slight markup over direct API
  • Some provider features not exposed
  • Smaller capability gap vs frontier models
  • Less polished UX
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier for model-shopping. I use this for every prototype before committing.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.
LinkOpen →Open →Open →Open →