AI-Scored Practice Tests
Duolingo English Test
Practice — AI Scored
Realistic Duolingo English Test (DET) practice with instant AI score feedback. Adaptive format, video interview practice, and detailed reports — accepted by 5,000+ institutions.
Practice exams coming soon — explore our free guides below
1M+
Test takers per year
10–160
Score range
~1 hour
Total test time
5,000+
Accepting institutions
What's on the Duolingo English Test
The DET is a fully adaptive online exam taken from home in about one hour. It combines a scored test with an unscored video interview and writing sample.
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Adaptive Test
~45 min
Scored section
Adaptive questions across literacy, comprehension, conversation, and production. Difficulty adjusts in real time based on your responses.
10–160 overall
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Video Interview
~10 min
Unscored — shared with institutions
Speak about provided prompts for 1–3 minutes. Institutions use this to evaluate your spoken English beyond the scored test.
Sent to schools
✍️
Writing Sample
~5 min
Unscored — shared with institutions
Write a short response to a prompt. Institutions review this alongside your overall score to assess writing ability.
Sent to schools
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Sub-scores
Included in report
4 proficiency indicators
Literacy, Comprehension, Conversation, and Production — reported alongside your overall score to give institutions a fuller picture.
10–160 each
🏠Take the test from anywhere — no test centre required
⚡Results delivered within 2 days
💰Significantly cheaper than IELTS or TOEFL
🎓Accepted by MIT, Yale, Columbia, and 5,000+ others
How it works
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Step 1: Take the practice test
Complete a full-length DET practice test under real timed conditions, including adaptive questions and the video interview prompt.
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Step 2: Instant AI scoring
Your overall score (10–160) and four sub-scores are calculated immediately. AI evaluates your speaking and writing samples.
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Step 3: Detailed feedback report
See your scores across all four proficiency indicators, question-by-question review, and targeted improvement tips.
What you get in your score report
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Overall + Sub-scores
Your 10–160 overall score plus Literacy, Comprehension, Conversation, and Production sub-scores for a complete picture.
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Video Interview Feedback
AI-powered analysis of your spoken responses — fluency, vocabulary range, and pronunciation scored against DET criteria.
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Per-Question Review
Every adaptive question reviewed with your answer, the correct answer, and an explanation of the underlying skill tested.
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Skill Analysis
See your strength and weakness across the four proficiency dimensions to prioritise your study time effectively.
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Improvement Tips
Personalised guidance based on your sub-scores — specific strategies for the skills that will raise your overall score most.
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Vocabulary & Usage
High-frequency academic vocabulary encountered in practice tests with definitions and example sentences.