Kalyvox vs Smith.ai AI Receptionist
The short answer
- Kalyvox costs least at both 100 and 500 calls a month.
 Kalyvoxsmall field-service and professional teams that cannot answer the phone while workingVisit site |  Smith.ai AI ReceptionistVisit site | |
|---|---|---|
| Cost | ||
| At 100 calls a month | Kalyvox136.50 EURLowest | Smith.ai AI Receptionist$212.50 |
| At 500 calls a month | Kalyvox326.50 EURLowest | Smith.ai AI Receptionist$800 via sales |
| Advertised from | Kalyvox$89 a month | Smith.ai AI ReceptionistFree, then $150 a month |
| The advertised plan covers | KalyvoxThe 89 EUR plan covers 0 of 100 calls.100 cost extra. | Smith.ai AI ReceptionistThe $150 plan covers 75 of 100 calls.25 cost extra. |
| Bills | Kalyvoxper minute | Smith.ai AI Receptionistper call |
| Keeps answering past your allowance | KalyvoxYesThere is no allowance to exceed: extra volume keeps billing at the same per-minute rate… | Smith.ai AI ReceptionistYesEvery plan publishes a per-call overage: $3.00 on Free, $2.50, $2.30 and $2.17 on Pro 75… |
| Free trial or plan | KalyvoxPartlySeven days free with a working assistant you can forward real calls to and phone… | Smith.ai AI ReceptionistYesA standing Free plan, not a trial: 25 real calls a month with no time limit… |
| Month to month, cancel online | KalyvoxYesMonth-to-month with no commitment, cancellable from the account settings without… | Smith.ai AI ReceptionistPartlyMonth to month with no long-term contract, but cancelling needs 30 days' notice… |
| On the call | ||
| Books appointments | KalyvoxYesThe assistant reads live calendar availability… | Smith.ai AI ReceptionistPartlyBooks live into Calendly, Acuity, Lawmatics, Housecall Pro or ServiceTitan during the call |
| Transfers to a person | KalyvoxYesRule-based transfer by detected intent, and on documented flows the assistant collects… | Smith.ai AI ReceptionistYesTransfers to your own numbers on every plan, per caller type or by team member name… |
| Human receptionists as backup | KalyvoxNoNo human operators sit behind the AI: when no transfer target is available the assistant… | Smith.ai AI ReceptionistPartlySmith.ai's own live agents can take over AI calls on any plan… |
| After-hours rules | KalyvoxYesAnswers 24/7 and adapts the greeting and script to your configured opening hours… | Smith.ai AI ReceptionistPartlyAnswers 24/7 on every plan, and it knows your opening hours… |
| Urgent calls escalated | KalyvoxPartlyEscalation fires on criteria you define, by keyword transfer or SMS to the on-call contact | Smith.ai AI ReceptionistPartlyUrgent call types can trigger an immediate SMS or email to a chosen staff member… |
| Texts your callers | KalyvoxPartlyIt can text a booking link mid-call when the caller's number is a mobile… | Smith.ai AI ReceptionistPartlySends one-way follow-up texts to callers after the call… |
| Call summary by text | KalyvoxPartlyEvery call produces a structured card by notification, email or text… | Smith.ai AI ReceptionistPartlyInstant call summaries go by email, Slack or Teams by default |
| Language, privacy and trying it | ||
| Languages | KalyvoxPartlyEnglish and French | Smith.ai AI ReceptionistYesEnglish and Spanish |
| HIPAA, with a signed BAA | KalyvoxNot stated | Smith.ai AI ReceptionistNoSmith.ai states plainly that it is not HIPAA compliant and cannot handle protected health… |
| Hear it before you buy | KalyvoxPartlyThere is no public demo number or recorded sample call | Smith.ai AI ReceptionistPartlyNo public demo number |
| What it connects to | ||
| Google Calendar | KalyvoxYesGoogle Calendar and Microsoft Outlook connect in one authorization and are booked during… | Smith.ai AI ReceptionistNot stated |
| Outlook | KalyvoxYesGoogle Calendar and Microsoft Outlook connect in one authorization and are booked during… | Smith.ai AI ReceptionistNot stated |
| Calendly | KalyvoxYesa Calendly-style link can be texted instead when no calendar is connected | Smith.ai AI ReceptionistYesNative AI booking into Calendly (paid Calendly plan required)… |
| Your trade’s software | KalyvoxNoThe vendor's integration inventory names only Google Calendar, Zapier and ChatGPT… | Smith.ai AI ReceptionistYesNative integrations with ServiceTitan and Housecall Pro for home services… |
| Keep your number | KalyvoxYesYou keep your existing landline or mobile number and forward it permanently… | Smith.ai AI ReceptionistYesYou keep your existing number and forward it to the dedicated Smith.ai number |
| In short | ||
| What it is | KalyvoxKalyvox is a Toulouse-built AI receptionist that answers forwarded business calls around the clock, qualifies each caller against rules you configure and books appointments into a connected calendar. Every handled call becomes a structured ticket with summary, transcript and next action.All answers for Kalyvox | Smith.ai AI ReceptionistSmith.ai AI Receptionist is the AI-first phone answering product from Smith.ai, a company that has run human virtual receptionists for more than ten years. It is priced and sold separately from those human receptionist plans, and leans toward law firms and home-services businesses.All answers for Smith.ai AI Receptionist |
| Checked | KalyvoxOctober 14, 2026 | Smith.ai AI ReceptionistOctober 14, 2026 |
Costs are for 100 or 500 calls a month of 2½ minutes each, on the cheapest public plan. How we price