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How Coding Interviews Changed in the AI Era (and How to Prepare Honestly)

Amit Singh

Amit Singh

Author

June 25, 2026
9 min read

The short version: the format is changing, but the purpose isn't. An interview exists to measure your judgment and communication — so the honest way to prepare is to build real fundamentals and to prepare for whatever format the company actually runs. Using AI to study is one of the best things to happen to interview prep. Using it covertly to fake a live round is cheating, and it backfires. Those are different acts, and the difference is the whole point of this post.

We're an interview-prep school, and our bias is openly stated: we want you to actually get good, not to game a screen. With that out of the way, here's the landscape in 2026.

What actually changed

Three things are true at once, and people keep mixing them up:

RealityWhat it isIs it OK?
Studying with AIUsing an assistant before the interview as a tutor, hint-giver, mock interviewer✅ Yes — and encouraged
A sanctioned AI-assisted roundA company explicitly hands you an AI tool and grades how you collaborate with it✅ Yes — it's the company's own test
Covert use in a normal roundSecretly using AI where the interviewer hasn't allowed it❌ No — this is cheating

Per public reports, a few companies (Meta in late 2025; Google piloting) have moved some rounds into the second category — deciding that "can you work effectively with an assistant" is worth measuring directly. (We cover how to prepare for those in AI-assisted coding interviews at FAANG.) Most live rounds are still the classic format. The shift is real but partial, which is exactly why you have to know which test you're sitting.

Is using AI in a coding interview cheating?

Only when you use it against the stated rules of that round. On an unproctored take-home, using AI is usually fine (assume you'll defend every line later). In a sanctioned AI-assisted round, it's required. In a normal live round where the interviewer hasn't okayed it, secretly leaning on AI is cheating — and it tends to fail you twice: interviewers increasingly spot the tells (a long pause, then a burst of flawless code you can't modify when they ask a follow-up), and even if you slip through, you've signed up for a job you may not be able to do.

The one-line rule that removes all ambiguity: ask the recruiter, in writing, "Am I allowed to use AI assistants during this interview?" No reasonable company penalizes the question.

Why the honest path is also the better path

Here's the part the "shortcut" crowd misses: the skills that survive the AI era are the ones you can't fake.

  • Fundamentals — when you're in a no-AI live round (still the majority), patterns, data structures, and complexity analysis are all you have.
  • Problem decomposition & communication — even in AI-assisted rounds, the grade is on how you frame the problem, steer the tool, and catch its mistakes. Weak fundamentals make you a worse AI operator, not a better one.
  • Verification judgment — knowing when generated code is wrong is now a first-class skill. You only get it by having solved enough problems yourself.

Faking the screen optimizes for the one moment you most want to skip; building the skill optimizes for the job you're trying to get.

How to prepare for each format

  • Classic live round: practice the old-fashioned way — solve out loud, talk through trade-offs, no tools. (Our free study-plan tool builds you a schedule for exactly this.)
  • Take-home: use AI the way you would at work, but be able to walk through and defend every decision on a follow-up call.
  • Sanctioned AI-assisted round: practice the workflow — decomposing an ambiguous prompt, driving the assistant in small steps, reading every diff, and verifying with tests. (We cover the study side of this in How to use AI for coding interview prep — note that's about studying, not in-interview shortcuts.)

Bottom line

The AI era didn't make interviews easier to fake; it made the fundamentals and your judgment more valuable, because that's the part a tool can't supply. Prepare honestly, ask which format you're in, and you'll be ready for all of them — and you'll deserve the offer.


Written by Amit Singh — Senior SDE at Amazon, Claude Certified Architect, and founder of AlgoEngineer. We run live, instructor-led cohorts focused on genuine skill, not shortcuts. Browse the courses.

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