Why do phone screens break at scale?
Phone screening makes the recruiter the bottleneck. A 200-applicant role means twenty hours of scheduling, dialing, and note-taking per week. Scoring drifts as the interviewer tires through the afternoon, and it is nearly impossible for a recruiter to ask every question the same way to every candidate.
Scheduling friction makes the scale problem worse. Candidates must be available at specific times to take a call they cannot say no to. No-shows and rescheduling waste time that was already scarce. In high-volume roles — retail, customer service, operations — phone screening simply does not scale in practice.
What replaces a phone screen?
GAIA is an AI voice agent that runs a structured, consistent voice conversation with every candidate. The candidate clicks a single link in their browser, passes through setup and audio check, receives the candidate notice, and then GAIA asks the pre-defined rubric questions and live follow-ups — all without a single minute of recruiter time.
When the interview ends, a scorecard is generated instantly with a full transcript and evidence anchored to each rubric criterion. The recruiter sits down only to review candidates who merit attention — with an evidence-backed starting point rather than scratched notes.
How does an AI voice interview compare to a phone screen?
The table below compares three first-round approaches: traditional recruiter phone screen, one-way video interview, and GAIA voice AI interview.
| Criterion | Recruiter phone screen | One-way video | GAIA voice AI |
|---|---|---|---|
| Cost per screen | High — recruiter hours | Medium — platform + review | Low — volume pricing |
| Time to complete | 3-7 days incl. scheduling | 1-3 days | Hours — async 72 h window |
| Consistency | Variable — interviewer-dependent | Questions consistent, scoring not | Identical questions + rubric per candidate |
| Evidence / audit | Handwritten notes — inconsistent | Video recording, limited transcript | Full transcript + evidence-anchored rubric |
| Candidate completion rate | Lower due to scheduling friction | Medium — camera anxiety factor | Higher — own schedule, voice-only option |
How do recruiters review the results?
After GAIA interviews, the recruiter opens a dedicated review panel to examine each candidate's scorecard. The panel has three panes: per-question audio playback on the left, the full transcript in the middle, and the AI summary plus rubric scorecard on the right. Every rubric score is anchored to transcript quotes, so the recruiter sees evidence, not just a number.
Scores are always overridable. If a recruiter believes the 'communication' score is wrong, they write a justification and change it. This override is written to a signed audit log — a core component of the EU AI Act deployer evidence pack. The decision is always made by a human.
What does it cost?
Intrvio bills by interview volume. The first 5 interviews are completely free with no credit card required, so you can test the system with real candidates at zero risk. For mid-size and enterprise packs, the per-interview cost is a fraction of recruiter hourly rates. See the pricing page or contact sales for details.