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Flat-Rate and Per-Caller AI Receptionists (No Per-Minute Billing)
Per-minute billing can surprise you in a busy month. These services publish a different billing model.
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| Service | Type | Starting price (vendor site) | Billing | Free plan / trial | Why it's here | Vendor site |
|---|---|---|---|---|---|---|
| NextPhone | AI only | $199/mo (unlimited calls) | flat (unlimited calls) | 7-day free trial | Flat $199/mo, unlimited calls, no overage. | Visit (affiliate link) |
| Goodcall | AI only | $79/mo (100 unique customers) | per unique caller | Free demo agent; pay when you connect a number | Per unique customer per month; minutes never metered. | Visit |
| Upfirst | AI only | $24.95/mo (30 calls); $20/mo billed annually | per call | 14-day free trial | Per call; spam and calls under 15 seconds not billed. | Visit |
| Smith.ai AI Receptionist | AI + human option | $0/mo Free plan (25 calls/mo, then $3.00/call); Pro from $150/mo (75 calls) | per call | Free plan (25 calls/mo) | Per call (not per minute). | Visit |
FAQ
Which services are on this list?
NextPhone: Flat $199/mo, unlimited calls, no overage. Goodcall: Per unique customer per month; minutes never metered. Upfirst: Per call; spam and calls under 15 seconds not billed. Smith.ai AI Receptionist: Per call (not per minute).
Is this list ranked?
No. It lists services whose official pages match this criterion, with the fact that qualifies each one. We don't publish star ratings.
When was this checked?
On the vendors' official pages on 2026-10-17.