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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
Leonardo.ai
A
Claude Code
S
Fathom
S
TaglineDuolingo + AI. Explain My Answer + Roleplay features.Gamer + creator image gen with model fine-tuning built in.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Meeting notes, free forever for individuals.
CategoryEducationImageCodingMeetings
Pricing$30/mo (or ~$168/yr)Free + $12-$60/moPart of Claude Pro/Max/Team plansFree for individuals + $15-$29/user/mo teams
Best forLanguage learners who've outgrown basic Duolingo.Indie game devs, illustrators, anyone training custom style models.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Solo operators, freelancers, small teams on a budget.
Strengths
  • Explain My Answer = personal tutor for every mistake
  • Roleplay = real conversation practice
  • Gamification that actually sticks
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Pricey vs free Duolingo
  • Conversation AI still stiff sometimes
  • General output behind Midjourney
  • Can be overwhelming
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Bot-joining model
  • Team features gated
Kai's verdictA-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.A-tier for creators training custom looks. B-tier for general use.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for solo + free. The best free option, hands down.
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