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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
DALL-E 3
B
Fathom
S
TaglineDuolingo + AI. Explain My Answer + Roleplay features.OpenAI's image model. Built into ChatGPT Plus.Meeting notes, free forever for individuals.
CategoryEducationImageMeetings
Pricing$30/mo (or ~$168/yr)Included with ChatGPT Plus $20/moFree for individuals + $15-$29/user/mo teams
Best forLanguage learners who've outgrown basic Duolingo.ChatGPT Plus users who want images without paying extra.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
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 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
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Bot-joining model
  • Team features gated
Kai's verdictA-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier for solo + free. The best free option, hands down.
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