personalized learning at duolingo
PENS & PIXELS 2023
CINDY BERGER
duolingo: who we are
World’s most downloaded education app
500 million learners around the globe
Over 100 courses teaching 40+ languages
Mission to develop best education in the world and make it universally available
Fun fact: In March 2022, over 1.3 million people around the world began studying Ukrainian on Duolingo
how is duolingo using generative AI to personalize learning?
we leverage generative ai to…
Offer real-world practice through our chatbot-like Roleplay feature
Provide dynamically-generated feedback to learners
Deliver highly-personalized adaptive lessons
Generate content for English language proficiency testing
and more…
roleplay!
dynamically-
generated feedback!
adaptive lessons!
what we know about exercise + learner = prediction of personalized difficulty
BIRDBRAIN
what’s next for adaptive lessons?
Personalize practice with GPT-4 generated content
Enable Birdbrain to make predictions for unseen content
Offer auto-generated adaptive lessons
Keep getting smarter!
test items!
duolingo english test
Can be taken online, anytime anywhere
Examinees finish in 1 hour and get results in 2 days
Accepted by over 4000 universities
Adaptive test with with open-ended writing and speaking prompts
we review & edit ai-generated content to produce test items indistinguishable from something written by actual humans
HUMAN IN THE LOOP PROCESS
ex 1: interactive reading
ex 2: interactive listening
at duolingo, we leverage generative ai to…
Offer real-world practice through our chatbot-like Roleplay feature
Provide dynamically-generated feedback to learners
Deliver highly-personalized adaptive lessons
Generate content for English language proficiency testing
and more…
thank you!