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.
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OpenRouter
S
Gemini
A
Claude Code
S
Galileo AI
B
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Google's answer. Best integrated with Workspace + free for a lot.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Prompt to UI design. Figma-ready outputs.
CategoryDev PlatformChatbotsCodingDesign
PricingPay per token — model-dependentFree + $20/mo Advanced (bundled with 2TB Drive)Part of Claude Pro/Max/Team plansFree trial + paid plans
Best forDevelopers experimenting across models. Apps that want fallback logic.Anyone already on Google, research tasks, summarizing long documents.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Designers brainstorming first drafts.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Output needs designer polish
  • Pricing unclear / changes often
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.B-tier. Useful for first drafts. v0 is the better bet for shipping code.
LinkOpen →Open →Open →Open →