Interview prep is one of the most impactful uses of AI. Models can simulate realistic interview scenarios, generate likely questions based on job descriptions, help you structure STAR-method answers, and give instant feedback on your responses. Unlike practicing in a mirror, AI provides specific, actionable critiques. It is like having a career coach available 24/7 at no cost.

Run a full mock interview session:

You are a hiring manager interviewing me for [JOB TITLE] at [COMPANY].

Here is the job description:
[PASTE JOB DESCRIPTION]

Here is my resume:
[PASTE RESUME]

Conduct a realistic 30-minute interview:
1. Start with an icebreaker question
2. Ask 5 behavioral questions using the STAR method (Situation, Task, Action, Result)
3. Ask 2 technical/role-specific questions
4. Ask 1 curveball question
5. After each of my answers, rate it 1-10 and give specific feedback on how to improve
6. At the end, give an overall assessment and top 3 things to work on

Wait for my response after each question before proceeding.

ChatGPT is best for interview prep — especially with voice mode for realistic verbal practice. Claude gives the most detailed and constructive feedback on your answers. Gemini with search can pull real interview questions reported for specific companies on Glassdoor. Grok can search X for recent interview experiences at target companies. For the full experience, use ChatGPT voice for practice and Claude for answer refinement.

Do not memorize AI-generated answers word-for-word — interviewers spot rehearsed responses immediately. Avoid using the same STAR stories for every question; prepare 5-7 diverse examples. Do not skip the company research step; ask AI to summarize the company's recent news, challenges, and culture. Never lie or exaggerate in your STAR stories, even if AI suggests embellishments.

After your mock interview, ask: "Based on my answers, what follow-up questions would a skeptical interviewer ask?" Prepare for salary negotiation: "I have an offer for [ROLE] at [AMOUNT]. The market range is [RANGE]. Script a negotiation conversation where I ask for [TARGET]." For final rounds, ask: "What strategic questions should I ask the CEO/VP to show I think at a senior level?" Create a cheat sheet: "Summarize my top 5 STAR stories in bullet points I can review 10 minutes before the interview."