There is a new player in the English proficiency test market, and it is changing the game for Indian students. The Duolingo English Test (DET) costs one-third of IELTS, takes half the time, can be taken from your bedroom, and delivers results in 48 hours. No wonder over 1 million test-takers worldwide have already made the switch.
But is it right for you? This guide covers everything Indian students need to know about the DET in 2026.
DET at a Glance:
- Cost: US$70 (October 2026) — vs IELTS INR 19,000 in India
- Duration: ~1 hour — vs IELTS 2h 45min
- Location: From home — vs test centre
- Results: 48 hours — vs IELTS 3-13 days
- Accepted by: 4,500+ institutions including Yale, Columbia, MIT, UCL
What Is the Duolingo English Test?
The DET is a computer-adaptive English proficiency test developed by Duolingo. Unlike IELTS and TOEFL, it is taken entirely online from home. The test adapts to your level in real time — correct answers lead to harder questions, wrong answers lead to easier ones.
Why Indian Students Are Choosing DET
- Cost-effective: At US$70, it costs less than half of one IELTS test in India
- Convenience: No travel to test centres, no fixed dates — take it when you are ready
- Speed: 48-hour results help with tight application deadlines
- Unlimited score sends: Send scores to as many universities as you want — free
- Growing acceptance: More universities accept DET every year
Test Format Explained
Adaptive Section (~45 minutes)
This section adapts to your level. Question types include:
- Read and Complete: Fill in missing letters in words and sentences
- Read and Select: Identify real English words from fake ones
- Listen and Type: Type what you hear
- Read Aloud: Read a sentence with correct pronunciation
- Write About the Photo: Describe an image in writing
- Speak About the Photo: Describe an image verbally
- Read Then Write: Read a prompt, write a response
- Listen Then Speak: Listen to a question, respond verbally
Video Interview (~10 minutes)
Unscored speaking and writing samples sent to universities:
- 2 speaking prompts (30-90 seconds each)
- 1 writing prompt (3-5 minutes)
Scoring System
| Subscores | What It Measures |
|---|---|
| Literacy (reading + writing) | Reading comprehension and written expression |
| Comprehension (reading + listening) | Understanding written and spoken English |
| Conversation (listening + speaking) | Verbal communication skills |
| Production (writing + speaking) | Creating English output |
Score Equivalents
| DET Score | IELTS | TOEFL iBT (0–120 scale) |
|---|---|---|
| 100 | 6.0 | 72 |
| 110 | 6.5 | 83 |
| 120 | 7.0 | 94 |
| 130 | 7.5 | 102 |
| 140 | 8.0 | 110 |
DET vs IELTS vs TOEFL
| Feature | DET | IELTS | TOEFL |
|---|---|---|---|
| Cost (India, Oct 2026) | US$70 | INR 19,000 | US$164 (check ets.org) |
| Duration | ~1 hr | ~2h 45m | ~1.5h of test time (since Jan 2026) |
| Location | Home | Test centre | Test centre/Home |
| Results | 48 hrs | 3-13 days | Check ets.org |
| Speaking format | Computer (short tasks) | Human examiner | Computer, AI-scored (Listen and Repeat + Take an Interview) |
| Score scale | 10–160 | 0–9 bands | 1–6 bands (comparable 0–120 score during a two-year transition) |
| Score sends | Unlimited free | 5 free | 4 free |
Universities That Accept DET
Over 4,500 institutions accept the DET, including:
- USA: Yale, MIT, Columbia, Stanford GSB, Duke, NYU, Purdue, ASU
- Canada: University of Toronto (some programmes), McGill, UBC (some programmes)
- UK: UCL, Edinburgh, Manchester, Bristol
- Australia: Selected programmes at various universities
Always verify: Acceptance varies by programme and year. Check your specific programme's requirements on the university website or Duolingo's official accepted institutions list.
How to Prepare
Speaking Preparation
- Practise describing images in 30-90 seconds
- Record yourself responding to random questions
- Use TalkDrill AI tutor calls for daily conversation practice — builds the spontaneous speaking skills DET tests
- Practise the Read Aloud task with TalkDrill Read Aloud, which scores every word and highlights the ones you misread
Writing Preparation
- Practise 50-word descriptions of photos
- Timed writing: 5-minute responses to prompts
- PenLeap offers AI-powered writing feedback that helps you improve response quality and grammar
Listening & Reading
- Listen to English podcasts daily for comprehension
- Read English news articles for vocabulary
- Take DET practice tests on the official Duolingo website (free)
Test Day: What to Expect
- Quiet room, alone, well-lit, clean desk
- Computer with webcam, microphone, and speakers (no headphones)
- Stable internet connection (minimum 2 Mbps)
- Government-issued ID (passport, Aadhaar, PAN)
- No notes, books, or second screens
- Your face must be visible throughout
Top Tips for Indian Students
- Internet stability: Use a wired connection if possible. Indian Wi-Fi can be unreliable — a disconnection means test cancellation.
- Practice the format: DET format is unique. Take the free practice test at least twice before the real exam.
- Time management: Some questions have strict time limits. Practise responding quickly.
- Pronunciation clarity: The AI evaluates your pronunciation. Speak clearly and at a moderate pace.
- Do not look away: The webcam monitors your eye movement. Looking away from the screen may flag your test for review.
The AI-powered educational tools helping students prepare for exams like DET are built by companies like Softechinfra, specialising in scalable edtech solutions.
Prepare Your Speaking Skills: DET tests spontaneous speaking and reading aloud. Start with TalkDrill's Read Aloud practice, scored word by word, then build spontaneous answers in AI tutor calls. Not sure of your level? The free English Level Test gives you a CEFR baseline.
Start Read Aloud Practice