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)
Chatbots
Research
Coding
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Agents
Dev Platform
Data
Marketing
Education
Gemini
A
OpenRouter
S
Rows
A
Perplexity
S
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.One API, every model. Pay-as-you-go, no subscriptions.Spreadsheets with AI + live integrations baked in.AI search done right. Cited answers, not chat theater.
CategoryChatbotsDev PlatformDataResearch
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Pay per token — model-dependentFree + $19-$89/user/moFree + $20/mo Pro
Best forAnyone already on Google, research tasks, summarizing long documents.Developers experimenting across models. Apps that want fallback logic.Ops teams, marketers, anyone building dashboards from multiple sources.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • 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
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-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.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
LinkOpen →Open →Open →Open →