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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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Duolingo Max
A
GitHub Copilot
B
Midjourney
S
Replicate
S
TaglineDuolingo + AI. Explain My Answer + Roleplay features.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.The aesthetic gold standard for AI image generation.Run any open-source AI model with an API call.
CategoryEducationCodingImageDev Platform
Pricing$30/mo (or ~$168/yr)Free (limited) + $10/mo Pro + $19/mo Business$10-$120/moPay per second of compute
Best forLanguage learners who've outgrown basic Duolingo.Teams with GitHub already. Devs who don't want to change IDEs.Anyone who wants beautiful images without thinking about prompts.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Explain My Answer = personal tutor for every mistake
  • Roleplay = real conversation practice
  • Gamification that actually sticks
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Best-in-class art direction
  • v7 is stunning
  • Great style consistency
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Pricey vs free Duolingo
  • Conversation AI still stiff sometimes
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • No free tier
  • Discord-first UX (web now available)
  • Less controllable than ComfyUI
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for aesthetics. If you care how it looks more than how it's made, this wins.S-tier for open-source model APIs. The default in this space.
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