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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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GitHub Copilot
B
Duolingo Max
A
Rows
A
Leonardo.ai
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Duolingo + AI. Explain My Answer + Roleplay features.Spreadsheets with AI + live integrations baked in.Gamer + creator image gen with model fine-tuning built in.
Categorycodingeducationdataimage
PricingFree (limited) + $10/mo Pro + $19/mo Business$30/mo (or ~$168/yr)Free + $19-$89/user/moFree + $12-$60/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Language learners who've outgrown basic Duolingo.Ops teams, marketers, anyone building dashboards from multiple sources.Indie game devs, illustrators, anyone training custom style models.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Explain My Answer = personal tutor for every mistake
  • Roleplay = real conversation practice
  • Gamification that actually sticks
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Pricey vs free Duolingo
  • Conversation AI still stiff sometimes
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • General output behind Midjourney
  • Can be overwhelming
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for creators training custom looks. B-tier for general use.
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