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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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Leonardo.ai
A
Gemini
A
Rows
A
Aider
A
TaglineGamer + creator image gen with model fine-tuning built in.Google's answer. Best integrated with Workspace + free for a lot.Spreadsheets with AI + live integrations baked in.Terminal-based AI pair programmer. Git-aware, model-flexible.
CategoryImageChatbotsDataCoding
PricingFree + $12-$60/moFree + $20/mo Advanced (bundled with 2TB Drive)Free + $19-$89/user/moFree (open source) + whatever API you use
Best forIndie game devs, illustrators, anyone training custom style models.Anyone already on Google, research tasks, summarizing long documents.Ops teams, marketers, anyone building dashboards from multiple sources.Developers who want open-source tooling with full control.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • 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
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • 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
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
Kai's verdictA-tier for creators training custom looks. B-tier for general use.A-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.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.
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