Best AI Virtual Receptionist Tools in 2026
A plain comparison using publicly listed pricing. No sponsored placements, no invented features.
The comparison
Last reviewed September 2026. Prices are public list prices and may have changed.
| Tool | Best for | Public pricing | Notes |
|---|---|---|---|
| GreetDeskgreetdesk.ai/pricing | AI virtual receptionist for US small businesses | From $49/mo (100 min). Overage $0.29–$0.39/min. | Books appointments, texts summaries, 24/7. No audio stored by default. |
| Retell AIretellai.com/pricing (public, 2025) | Developer platform for building voice agents | Pay-as-you-go, roughly $0.07–$0.31 per minute depending on voice and LLM. | Raw API and SDK for building your own agent; you assemble booking and summaries. |
| Synthflowsynthflow.ai/pricing (public, 2025) | No-code voice agent builder | Starter from $29/mo (50 min); Growth ~$375–$450/mo (2,000 min, then ~$0.13/min). | Visual workflow builder, telephony options; aimed at teams building their own agents. |
| Smith.aismith.ai/pricing (public, 2025) | Human receptionist service with AI tiers | Live reception from $300/mo (30 calls); AI reception from about $97.50/mo (30 calls). | Trained human receptionists plus AI options; per-call plans and overage fees. |
We only list details we could verify from each vendor's public website. We do not state features we could not confirm. If you believe something here is out of date, tell us and we'll correct it.
Where GreetDesk fits
Retell AI and Synthflow are excellent if you want to build a voice agent yourself. They give you the raw ingredients: voice models, telephony, latency tooling. That's a great fit for a technical team with time to assemble booking, summaries and escalation.
Smith.ai is a human receptionist service with AI options layered on top. If you want a person to answer and your volume is low, it's a reasonable choice — the trade-off is per-call pricing and a higher entry point.
GreetDesk is for the owner who wants the outcome, not the toolkit. You get a finished ai virtual receptionist that books appointments, sends summaries and answers 24/7, at published minute pricing. We use Retell under the hood — the same technology a builder would reach for — and we handle everything around it so you don't have to.
If you're comparing us with the others, the fastest way to decide is to try the live demo and see whether the conversation feels good enough for your callers.
Pricing
Starter
For solo operators and quiet lines.
Billed monthly.
- 100 call minutes / month
- Extra minutes at $0.39/min
- Answers 24/7, no hold music
- Text + email call summaries
- Google Calendar booking
- Cancel anytime
Growth
For busy clinics, firms and agencies.
Billed monthly.
- 450 call minutes / month
- Extra minutes at $0.35/min
- Everything in Starter
- Appointment booking + reminders
- Transfer to a human when needed
- Priority support
Scale
For multi-location teams with heavy call volume.
Billed monthly.
- 1,500 call minutes / month
- Extra minutes at $0.29/min
- Everything in Growth
- Multi-location routing
- Custom call flows and scripts
- Dedicated onboarding
Cancel anytime. Unused minutes roll over for 30 days. Overages are billed at your plan rate.
Questions? Contact us or read the AI receptionist guide.
About this comparison
Are these prices final?+
No. Vendor pricing changes often. Every figure here is a public list price we could verify at the time of writing, and we link the source for each. Always check the vendor's own page before deciding.
Why include developer platforms like Retell and Synthflow?+
Because they're what many AI receptionists are built on, and some teams prefer to build their own. We use Retell for our voice layer, and we say so plainly.
What makes GreetDesk different?+
We're a finished product, not a toolkit. You get booking, summaries and 24/7 answering out of the box, with published minute pricing and no audio stored by default.
Do you get paid to rank anyone higher?+
No. This page is not sponsored and the order is not paid placement. We list GreetDesk first because it's our product, and we label the rest objectively.