The interview coaching industry has been disrupted by AI. Platforms powered by large language models can now simulate realistic interviews, provide detailed feedback, and track progress over time — at a fraction of the cost of a human coach. But is AI coaching as effective? And when should you still invest in a human? Here is an honest breakdown.
What AI interview coaching does well
- Availability — practice at 2am the night before your interview, no scheduling required
- Cost — a fraction of human coaching rates, with low monthly subscriptions compared with high per-session coaching fees
- Volume — unlimited sessions means you can practice far more than with a human
- Consistency — no mood, no bad days, no cancellations
- Specific feedback — AI can identify missing keywords, weak STAR structure, and vague answers instantly
- Breadth — AI can simulate interviews for any role, any question type, any difficulty
Where human coaches still have the edge
- Insider knowledge — a coach who worked at your target company knows the exact interview style
- Networking — experienced coaches can sometimes make warm introductions
- Emotional support — navigating job search anxiety benefits from a human presence
- Non-verbal coaching — body language, pacing, and presence are hard to assess via text
- Highly personalised strategy — navigating career transitions or unusual backgrounds
The research on interview preparation
Studies consistently show that deliberate practice — specifically practicing under realistic conditions with feedback — is the strongest predictor of interview performance improvement. The key is not just doing more interviews, but receiving structured feedback after each one. This is exactly where AI coaching has a measurable advantage: feedback is immediate, specific, and available after every single practice session.
Our recommendation
For most candidates, the optimal approach is AI coaching for volume practice (daily sessions, multiple question types) combined with one or two sessions with a human coach who has specific knowledge of your target company or role. MockFlux is designed for the high-volume practice side — unlimited sessions, immediate AI feedback, progress tracking, and voice mode for realistic spoken practice.