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Comparing two AI voice agents: which criteria to check before choosing?

AI reception voice agents look alike: they answer, respond, book appointments and transfer. The differences hide in billing, the trial, integrations and scope. This page gives the reading grid for comparing any two products, and says where Alyas stands: it treats inbound call handling as a narrow craft rather than an all-purpose platform.

At a glance

CriterionWhat to ask any vendorAI voice agent (Alyas)
Billing modelSubscription, included minutes, pay per minute or per appointment? Prices before or after tax?Monthly plan with call hours included (see the Pricing page)
Beyond the included volumeExtra minutes billed automatically, or service stops?No automatic billing: the voice agent stops until renewal or a plan change
TrialFree trial, with or without a card, how long, money-back guarantee?10 days, no card
Calendars and toolsWhich calendars, CRMs or business software, natively or via API?Google Calendar and Cal.com; the rest is in the integrations catalogue
Handover to a humanTo a single number, or to the right person depending on the request?To a single configured number, when the caller asks
Follow-up after the callTranscript, summary, contact details, history?Transcript, summary and contact details for each call
Data hostingWhere are recordings and transcripts stored?Recordings, transcripts and summaries hosted in the EU

Start with the real price

Two agents with the same call rate can cost very differently: it all depends on what is included. Ask for the monthly price, the minutes or hours included, what happens to unused minutes and what happens when the volume is exceeded (automatic billing or a stop). Also check whether prices are shown before or after tax, so you do not compare two different bases.

Finally, compare identical needs: an agent that takes a message and an agent that books an appointment in your software do not do the same job.

Integrations: what is connected, what is only announced

A list of integrations does not say what they do. For your calendar or booking software, ask whether the agent reads free slots, creates the appointment during the call, or just sends an email. Also ask what is available today and what is only announced.

Alyas's integrations catalogue separates connections that are available from those marked “Coming soon”.

Handover, follow-up and trust

An agent must know how to hand over. Look at whether the transfer goes to a single number or to the right person depending on the request, what happens if nobody picks up, and what you receive after the call. Alyas transfers to a single configured number when the caller asks, and sends a transcript, summary and contact details.

Finally, check that the AI is announced at the start of the call and where data is hosted: Alyas says it is an AI from the start and hosts recordings, transcripts and summaries in the EU.

When Alyas fits

Alyas suits a very small or small business that wants simple AI phone reception, focused on inbound calls, with call hours included in the subscription and no technical project. A broader need (routing to many departments, automated outbound callbacks, custom API integrations) may justify a product with a wider scope.

Our verdict

Choose on the real price at equal volume, what happens beyond it, the trial, the integrations you actually use and the quality of the handover, not on the feature list. Alyas aims at simple inbound call reception: try it for 10 days with no card, then compare on your own calls.

Frequently asked questions

What is the most misleading criterion when comparing AI voice agents?

The per-minute price shown on its own. It says nothing about included minutes, what happens beyond them, or whether the price is before tax. Convert each offer into a monthly cost for your real call volume.

Should you pick the agent with the most integrations?

Not necessarily. What matters are the ones you use and what they really do during the call: read slots, create the appointment, or only notify.

How do you test an AI voice agent before committing?

Look for a trial with no bank card and put your most frequent questions to it. Alyas offers a 10-day free trial, no card.

Further reading

Does your phone ring while you're busy working?

Try an Alyas agent, chat or voice, free for 10 days, no card required. The voice agent is tested by phone on the trial number; its own number is included from Pro.

See pricing

How to Compare AI Voice Agents: Key Criteria | Alyas