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Feature deep dive
AI MMI simulator: practice timed MMI stations out loud
An AI MMI simulator is an AI interviewer that runs timed MMI stations with you out loud: it reads the prompt, starts the clock, asks follow-up questions like a real interviewer and scores every answer. Confetto runs MMI stations, traditional and panel interviews this way, and you can start with a free week. An MMI (multiple mini interview) itself is 6 to 10 short timed stations, each with its own interviewer, usually 5 to 10 minutes long.
What is an MMI?
An MMI, or multiple mini interview, replaces one long interview with a circuit of short stations. At each station you get a new prompt and a new interviewer, who scores only that station.
McMaster University started the format in 2002, and medical, dental, pharmacy, vet and PA programs in the US, Canada, the UK, Australia and New Zealand now use it. The AAMC says it tests how you reason, not what you know, so there is nothing to memorize.
| Source | What it says |
|---|---|
| AAMC (US) | 6 to 10 stations, about 2 minutes to read each prompt, then 5 to 8 minutes of conversation. Nearly 2 hours in all. Source |
| AFMC (Canada) | 6 to 10 timed stations, usually one interviewer each, typically 5 to 10 minutes. The MMI began at McMaster in 2002. Source |
How long is an MMI, and how many stations?
Most MMIs have 5 to 10 stations of 5 to 10 minutes each, so the circuit itself takes about 45 minutes to 2 hours. Each school sets its own count and timing, and some recorded MMIs give only 3 minutes per answer.
| School | Stations and timing |
|---|---|
| Manchester (UK) | 5 stations of 8 minutes, with a 2-minute gap between them. Source |
| Leeds (UK) | 8 stations of 6 minutes, plus 2 minutes of reading time before each. Source |
| City St George's (UK) | 6 stations of about 5 minutes, with 1 minute between stations and no reading time. Source |
| UC San Diego (US) | 8 stations: 2 minutes to read a written vignette, then 8 minutes at each station. Source |
| Auckland (NZ) | A recorded MMI of 7 stations: 30 seconds to prepare, 3 minutes to answer, one take. Source |
Read more: Virtual MMI tips · The early-phase (recorded) MMI
What kinds of MMI stations are there?
MMI stations fall into a few types: ethical dilemmas, role-plays with an actor, teamwork tasks, healthcare policy questions, and personal questions such as why medicine. Some schools add a data or calculation station, a written task or a rest station.
A typical ethics prompt reads like this: a patient refuses a treatment their family wants them to have. What do you do? The interviewer is listening for how you weigh the options, not for one right answer.
Read more: MMI ethics questions · Role-play stations · Teamwork stations · Policy questions
How is the MMI scored?
Each station is scored on its own by a different rater, and the station scores are added up. Because many raters each see a short slice, no single first impression decides your result.
| School | How the score is used |
|---|---|
| Imperial (UK) | 6 stations, each marked 6 for content and 4 for communication. Source |
| McMaster (Canada) | The MMI is 70% of the offer ranking, with GPA and CARS 15% each. Source |
Read more: How the MMI is scored
Which schools use the MMI?
Many Canadian and UK medical schools and a growing share of US schools use an MMI for some or all of interview day. 38 of the 166 US MD schools we cover confirm an MMI for 2026-27 on an official page (Confetto's October 2026 check, mostly of each school's own pages).
Not every school calls its interview an MMI, and some well-known ones don't use it. Oxford and Cambridge hold academic college interviews, Glasgow runs a 30-minute panel and Dundee a group interview, so check each school's own page before you prepare.
Read more: Medical schools that use the MMI · MMI vs traditional interview
How do you prepare for an MMI?
Practice out loud, on a timer, across every station type, and get feedback on each answer. Reading sample answers doesn't build the skill the MMI tests, which is reasoning clearly under time pressure with a stranger listening.
Imperial's MMI guidance says memorized answers don't work and changing your mind mid-answer is fine if you explain why. That is what Confetto's AI interviewer is for: it times each station, asks the follow-up a real interviewer would, and scores your answer so the next one is better.
Read more: Free MMI station with a timer · How to practice the MMI alone · Best MMI prep, compared
Facts checked October 23, 2026 against the pages linked as sources. Formats change each cycle, so confirm the details in your own invitation.
Why candidates rely on it
Adaptive AI interviewer that runs MMI, traditional, and panel formats with realistic follow-ups scored against medical admissions rubrics.
- Live pacing
Automatic timing cues, wrap-ups, and station transitions keep you on the same cadence committees expect on interview day.
- Scenario depth
Ethics, teamwork, patient, and motivation scenarios branch when you miss key considerations—just like a live interviewer probing deeper.
- Immediate scoring
Communication, empathy, and judgment scores update instantly with actionable notes tied to the competencies admissions rank highest.
Workflows
Every session adapts to the format and competencies you select so reps stay close to the interviews you’ve scheduled.
Practice follow-up probes
When you skip a competency, the AI escalates with pointed follow-ups so you build instincts for defending decisions under pressure.
Review annotated transcripts
Every session captures transcripts, timestamps, and tone notes so you can replay critical moments and spot where to improve.
Get nuanced feedback
Scorecards surface strengths, misses, and suggested phrasing aligned to admissions language so your next attempt clicks faster.
Who benefits most
- MD and DO applicants
- Canadian med school candidates
- PA, nursing, and pharmacy interviewees
- Applicants prepping traditional faculty interviews
- Career changers tightening bedside-manner stories
- Clubs running mock interview nights with limited coaches
Key FAQs
What is an AI MMI simulator?
It is an AI interviewer that runs MMI stations with you out loud. It reads each prompt, keeps the station clock, asks follow-up questions on what you said and scores the answer, so you can run full timed circuits on your own.
Is there a free AI MMI practice?
Yes. Confetto starts you with a free week, so you can run MMI stations with the AI interviewer and see your scored feedback before you choose a plan.
What does MMI stand for?
MMI stands for multiple mini interview: a series of short, timed interview stations, each with its own interviewer and scenario, used by medical and other health programs.
Is the MMI hard?
It feels hard because each station is short and the prompts are new. It gets much easier with timed practice out loud, since the skill it tests is structured reasoning, not knowledge.
Can you fail one MMI station and still get in?
Yes. Stations are scored separately and added up, so one weak station rarely sinks you. Reset between stations and treat each one as a fresh start.
How realistic are the AI stations?
Stations reference admissions rubrics from top MD, DO, and Canadian schools. Expect pacing cues, clarifying questions, and structured wrap ups that match live interviews.
Can I customize station types?
Yes. Choose the number of ethics, role-play, teamwork, and policy stations. Confetto generates mixes aligned to the programs you select.
Does Confetto support panel or traditional formats?
Switch to traditional or panel mode to rehearse conversational interviews with deeper follow-up threading and longer timing windows.
Next step
Experience AI Interview Simulator inside Confetto
Launch the app, choose this feature, and run a guided session with live feedback. Your first reps are included in the trial so you can see how Confetto scores and coaches.