Can AI Outperform Humans in Job Interviews? A Landmark Study Suggests 'Kind of'

TL;DR - if job interviews are going to be conducted by AI, then your winning smile, sharp outfit, and charisma won’t get you across the line. But it might result in better outcomes for employers and the right candidates, for the right reasons.

A groundbreaking field experiment from the University of Chicago Booth School of Business and Erasmus University Rotterdam has shed fresh light on how artificial intelligence could transform hiring. (Sidenote: yes, it was sponsored by a recruitment outsourcer, but still arguably has value.)

The Study Researchers tracked over 67,000 job candidates applying for entry-level customer service roles across multiple employers. Applicants were randomly assigned to be interviewed by a human recruiter, an AI voice agent, or given the choice between both. This large-scale, real-world design makes the findings unusually robust compared to traditional lab experiments.

The Results

• Candidates interviewed by AI were 12% more likely to receive job offers
• Those who got offers were 17–18% more likely to actually start the job
• Hires from AI-led interviews stayed in their roles 17% longer

Independent evaluators also rated AI transcripts as richer, clearer, and more relevant than human-led interviews.

The Reality Check Self-selection mattered: about half of applicants chose AI when given the option, and those who did tended to perform better. This suggests comfort with AI - and reduced interview anxiety - may partly explain the results.

What This Means For employers: AI can improve both hiring efficiency and retention, particularly in high-volume recruitment scenarios.

For candidates: The study suggests that the consistency of AI interviews may make the interview process more meritocratic, and also reduce bias (including unconscious) and nerves, enabling stronger performance.

What We Still Don't Know This study focused narrowly on customer service roles. We don't know if AI would be equally effective for creative, leadership, or highly specialized positions. Questions about long-term career development and cultural fit assessment remain unanswered. And the fact that this study is not peer reviewed might be a reason to be cautious about what can be asserted as conclusions.

The Bottom Line Should employers replace human recruiters with AI? The evidence points to a strong case for structured, high-volume hiring where fairness, speed, and retention matter most. Like all things AI this is a fast evolving field. AI will definitely have an important role but, for now at least, AI works best as a complement rather than substitute, with humans making the final decisions.

The future of hiring isn't human vs. AI - it's human + AI.