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