Skip to content

EducationDuolingo, Inc.

Duolingo

Gamified language-learning app, now AI-first with Video Call practice and AI-built courses.

Category
Education
Pricing
FREEMIUM
Source
Proprietary
Hosting
Cloud
Platforms
WebiOSAndroid
Models
Multi-model
Verified
Jun 10, 2026

The gamified language-learning platform that has rebuilt itself around AI: its proprietary Birdbrain model personalizes exercise difficulty, generative AI authored the 148 new courses launched in a single day in 2025, and paid subscribers practice speaking through Video Call with Lily, an AI character that remembers prior conversations. Core learning stays free with ads; Super and Max subscriptions unlock the advanced AI features.

Capabilities 3

What it actually does — grouped by capability family.

  • Language practice (primary capability)
  • AI tutoring (secondary capability)
  • Roleplay characters (secondary capability)

Pros & cons

  • Free core experience
  • Video Call speaking practice
  • Birdbrain adaptive difficulty
  • 40+ languages on offer
  • AI course quality criticized
  • Max tier costs ~$30/month
  • Gamification over depth

Tags

Further reading

Alternatives to Duolingo (3)

View all Education →
  • View Speak details
    EducationFREEMIUM

    Speak

    Speakeasy Labs

    AI language tutor built around speaking out loud, with real-time feedback.

    A language-learning app that puts speaking first: lessons are built around saying things out loud, with speech recognition grading your pronunciation and an AI tutor that holds open-ended conversation and adapts the curriculum to your goals. Covers English, Spanish, French, Korean, Japanese, Italian and Chinese, with 15M+ downloads across iOS, Android and the web.

    Speech-first method with instant feedback
    Only 7 target languages so far
    • language-learning
    • speech
    • tutor
    • education
    Open
  • View Khanmigo details
    EducationFREEMIUM

    Khanmigo

    Khan Academy

    Khan Academy's AI tutor and teaching assistant.

    An AI-powered tutor and teaching assistant from Khan Academy that guides learners through math, science, coding, and the humanities. Rather than handing over answers, it uses Socratic prompts to push students toward their own reasoning. For teachers it drafts lesson plans, rubrics, and exit tickets aligned to Khan Academy's content library.

    Covers math, science, coding, humanities
    Best inside Khan Academy's ecosystem
    • tutoring
    • education
    • k-12
    • teacher-tools
    Open
  • View Quizlet details
    EducationFREEMIUM

    Quizlet

    Quizlet

    Flashcards and study sets with the Q-Chat AI tutor.

    A study platform best known for flashcards and learning games, now layered with AI through Q-Chat, a conversational tutor that uses the Socratic method to help students reason toward answers. Quizlet Plus removes daily learning-round caps and unlocks AI tutoring plus Expert Solutions for explaining tough problems. The free tier remains usable with reduced limits.

    Massive flashcard/study-set library
    Daily learning-round caps on free tier
    • flashcards
    • study-tools
    • tutoring
    • students
    Open
Open Duolingo