The Duolingo English Test (DET) is a computer-adaptive test you take at home in about an hour. Scored 10–160 with four sub-scores — Literacy, Comprehension, Conversation, and Production — it's now accepted by 6,000+ programs as a faster, cheaper alternative to IELTS and TOEFL.
How the adaptive engine works, what each sub-score measures, and which schools accept the DET.
A 10-minute adaptive mini-test that predicts your DET score within ±10 points.
Tech setup, ID rules, pacing, and the 20% of question types that decide your score.
Each skill has its own track, scored to the same rubric examiners use.
Read-and-write-the-passage, c-test fill-in-the-blanks, the 5-minute writing sample — the on-page half of the test.
Spot-the-real-word, audio dictation, listening-true-or-false. Training your accuracy under adaptive pressure.
Interactive Listening (the new dialogue task), read-aloud, and the speaking sample — your voice on the page.
5-minute speaking sample, picture descriptions, and reading-passage retellings. Output under a hard timer.
Not sure where you stand? Take the 10-minute placement test — we'll point you at the right score track.
A 10-minute adaptive mini-test predicts your DET score within ±10 points and tells you which sub-score to push first.