How to compare AI interview vendors when pricing is not public

Updated Oct 22, 2026 · 9 min read

Most AI interview vendors do not publish a price, so comparison turns into a series of sales calls that are hard to line up against each other. This is a practical way to compare them anyway, and to get a real number out of each one.

Compare at your volume, not theirs

The most useful move is to fix your own numbers before any call. Decide the number of candidates you expect to screen a month, the number of people on your team who need access, and the roles you hire repeatedly. Then ask every vendor to quote the all-in annual cost for exactly that. A quote built on your volume can be compared. A rate card cannot.

This also protects you from a common pattern, where the headline price is sized for a company much larger or smaller than yours and the gap gets made up in minimums or overage.

Can I just book demos and decide from those?

Demos are worth doing, and they are a poor comparison tool on their own. Every demo is run by the vendor on their best-prepared example, so you end up comparing sales craft. Two changes make them useful. Ask each vendor to run the demo on one of your real job descriptions, and ask to take the candidate side of the interview yourself rather than only watching the recruiter dashboard.

Taking the interview yourself surfaces what a dashboard tour hides, such as whether the follow-up questions are real or scripted, how it handles an accent, and how long it takes. If a vendor will not let you do that, note it.

How should you evaluate vendor support during an AI interviewer demo?

Judge support as an ongoing service, not as demo polish. A demo shows how well a vendor presents. It does not show who helps you in week three, when a score looks wrong or an integration fails. Ask these questions during the demo, then ask for the answers in writing.

• Who owns our onboarding, what is the timeline, and what will they set up for us?
• Which integrations will they configure, and which do we have to build ourselves?
• Which support channels do you offer, and who answers during a live hiring week?
• Which service levels do you commit to in writing, and what is the escalation path when a fix is late?
• How do you handle a wrong or made-up answer from the interviewer, and who do we tell?
• How do you respond when a candidate or our team raises a bias concern?
• How do you detect scoring drift, and how do you tell customers when the model changes?
• Is there training, documentation and a named support contact?

Support also changes with the plan you buy. Spark Hire lists live training and a customer success manager on annual plans only, and Hyring lists a dedicated customer success manager on its Enterprise plan (Spark Hire pricing, Hyring pricing). Ask which support comes with the plan you would actually sign.

The checklist to send every vendor

• All-in cost for our expected monthly volume, including overage.
• Is there an annual minimum or a multi-year term?
• Is there an implementation or onboarding fee?
• Do we pay per seat, per interview, or both?
• Can we use our own scoring rubric for a role?
• Which languages are supported for the interview itself?
• What does the candidate need, and is any install required?
• What do we get per candidate: score only, transcript, recording?
• How long from signing to the first live interview?

Send it by email to every vendor at once. Any serious vendor can answer it in one reply. Add the fairness questions in the next section to the same email.

How do you compare AI interviewer vendors on fairness safeguards?

Ask each vendor for evidence of its fairness safeguards, not a promise. Look for independent bias audits, adverse impact testing, a clear list of what the score uses, human review with overrides, and an audit trail. A vendor that only says its tool is fair has not answered.

• Has an independent party audited the tool for bias? Can we read the result and see who ran the audit and when?
• Do you test for adverse impact, meaning whether some groups of candidates pass at a lower rate? How often, and can you describe the method?
• What are the scoring inputs and factors? Is the score based only on what the candidate said, or also on voice, face, tone or accent?
• Are the criteria job relevant, written from the role, and visible to us before we run any candidates?
• Can a person review and override a score, and is every change kept in an audit trail?
• Is the interview accessible, for example for a candidate who uses assistive technology? How does a candidate ask for an accommodation, such as more time?
• What are candidates told before they start, including that the interview is recorded and that AI is used?
• Which local rules on automated hiring tools have you prepared for, and what documents can you give our legal team?

Prefer job relevant criteria over tone, facial expression or accent. No vendor can honestly promise a process free of bias, so the useful answers describe checks and name who is responsible. Our guides to fairer first round interviews and how AI interview scoring works go through these questions in more detail.

How do you compare AI interviewer vendors on explainability for recruiters?

A good vendor shows clear, factor level reasons for every score, so a recruiter can see why a candidate scored as they did without help from a data scientist. Ask each vendor to open a real report for a sample role, then check four things.

• Reasons by factor. Each score is split by skill or area, with a short written reason, not one overall number.
• Tied to the job. Each factor maps to a competency, a skill or a requirement from the role.
• Traceable. You can go from a score to the transcript, the candidate's response or the rubric evidence behind it.
• Plain language. A recruiter with no technical background can read the output and explain it to a hiring manager.

Then check governance. Ask whether the tool keeps an audit trail, lets a person override a score, checks its scoring against real outcomes, and keeps a person responsible for the decision. If a vendor cannot show the reasoning behind a score, you cannot defend that score to a candidate or a hiring manager.

Compare on time to value too

Compare time to value by how long each vendor takes to get from signing to your first trusted production interview, and by the hiring outcomes it improves. Price is half of it. The other half is how long it takes to get a working first interview out. Ask each vendor what setup actually involves. If it needs an integration project, a training period, or a services engagement before anyone is screened, that is real cost even when it is not on the invoice. A reasonable target is that you can create a role, add candidates, and have interviews running the same week.

Define value before the demo. Value means measurable hiring outcomes, so choose your measures first and ask each vendor how it moves them.

• Time to first interview, from the day a candidate applies.
• Time to shortlist for a role.
• Completion rate, meaning the share of invited candidates who finish.
• Recruiter hours spent on first rounds.
• Cost per hire, which you can work out with the free [cost per hire calculator](/tools/cost-per-hire-calculator).

Then score each vendor on the time to value scorecard below. A trusted production interview is a real candidate interview whose result your team is willing to act on.

Rate each vendor from 1 to 5 on every row and weigh the rows that matter most to you. The two week pilot plan shows how to collect the evidence for the ratings.

Which AI interviewer vendors are easiest to customize?

No public source ranks AI interviewer vendors by ease of customization, and most vendors publish only part of the detail. The table lists what each vendor states on its own public pages about questions, rubrics, branding, integrations and the API.

Not stated means the sources below do not give that detail. It does not mean the vendor lacks it, and a vendor may publish more elsewhere. The details come from Hyring, Interviewer.ai and Sapia.ai, checked on 22 October 2026, and from Ribbon, HeyMilo and HireVue, checked on 5 October 2026 for our compare pages. Vendors change their sites, so confirm each detail with them.

Ease also depends on four things a table cannot show: how simple the interface is, how good the documentation is, which integrations your plan includes, and how much help the vendor gives. The plan matters. Hyring lists its API on Business and white label branding on Enterprise. Ask every vendor to show you how to change a question, a rubric and a template in your own account, live.

How do AI interviewer vendors compare on implementation complexity?

Define implementation complexity as four things: setup, integrations, configuration and the change your team must make. Rate each vendor from lowest to highest effort on each one, using answers you get in writing.

As a rule of thumb, a narrow tool that does one job needs fewer integrations and fewer process changes than a broad suite that replaces several systems. A tool that works through your calendar and your ATS also depends on how clean those systems are. Sapia.ai, for example, says a custom ATS integration may carry fixed costs (Sapia.ai pricing). Ask for that cost before you sign.

What the candidate side tells you

Compare vendors on candidate experience by taking the interview yourself, then scoring each vendor on the same scorecard.

Sitting the interview yourself answers questions a dashboard cannot. Whether the follow-up questions genuinely respond to what you said or run from a script. Whether the voice is easy to follow. How it handles an accent, a long pause, or a candidate who asks for the question again. How long it really takes.

Those details drive completion rate, and completion rate decides how many candidates you actually end up screening.

One-way video lets candidates answer on their own time, and some find it impersonal or stressful, so watch for that in your own test. Short, well explained flows suit high volume screening. See AI interview vs one-way video and AI interviews for high-volume hiring.

The mistakes that spoil comparisons

Three things spoil most vendor comparisons. Comparing headline prices sized for different volumes. Evaluating the recruiter dashboard while never experiencing the candidate side. And leaving contract terms until after a preferred vendor is chosen, when you have lost the room to negotiate. Fix all three by doing the volume, the candidate-side test, and the terms question at the start.

Where AI Interview Agents sits

AI Interview Agents has a free plan, so you can run it on one of your real roles before you ask for a quote. Candidates take the interview in a browser with no install, and every interview returns a transcript and a video recording alongside the score.

Scoring works from the transcript of what the candidate said, and each report gives scores with written reasoning tied to that transcript. The product does not analyse faces or expressions, and it does not reject a candidate on its own. A person on your team makes every decision. Before a browser interview starts, the candidate must confirm that they understand it is recorded and may be shared with the hiring team.