Autonomous Receptionist

Comparison · research-based · editorial opinion marked

NextPhone vs Smith.ai AI Receptionist

Two AI receptionists that both court law firms and service businesses, with opposite pricing models: NextPhone is flat-rate unlimited; Smith.ai is per call, with a free tier and live-agent backup.

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Cost at the same workload

Cheapest published plan at each monthly call volume, assuming 3-minute average calls. “n/c” = not computable from published pricing. * = another plan from this vendor would exceed its allowance and has no published overage rate, so it cannot be priced; it might be cheaper.
Vendor50 calls/mo
(150 min)
100 calls/mo
(300 min)
200 calls/mo
(600 min)
Source
NextPhone
AI · Flat (unlimited calls)
$199
Pro
$199
Pro
$199
Pro
pricing page
Oct 21, 2026
Smith.ai AI Receptionist
AI + live backup · Per call
$75
Free
$212.50
Pro 75
$385
Pro 150
pricing page
Oct 21, 2026

On published prices, Smith.ai's free tier and Pro 75 plan are cheaper at low volume, while NextPhone's flat $199 becomes cheaper once you pass roughly 75 to 100 calls a month, and the gap widens as volume grows.

Plans

NextPhone

PlanPriceIncludedOverage
Pro$199/moUnlimited callsNone
Growth$299/moUnlimited callsNone
Vendor builds and tunes the agent for you.
Scale$599/moUnlimited callsNone

Source: www.getnextphone.com/pricing, checked Oct 21, 2026

Smith.ai AI Receptionist

PlanPriceIncludedOverage
Free$0/mo25 calls$3 per call
Pro 75$150/mo75 calls$2.50 per call
Pro 150$270/mo150 calls$2.30 per call
Price computed from the published $1.80/call rate x 150 calls.
Pro 300$500/mo300 calls$2.17 per call
Price computed from the published $1.67/call rate x 300 calls.

Source: smith.ai/pricing/ai-receptionist, checked Oct 21, 2026

Differences beyond price

Editorial opinion

Under about 75 calls a month, Smith.ai's per-call pricing (or free tier) costs less, and the live-agent backup is a real differentiator for sensitive calls. Above about 100 calls a month, NextPhone's flat rate is the more predictable bill.

Profiles: NextPhone · Smith.ai AI Receptionist

Last updated Oct 21, 2026. Found an error? Tell us and we will correct it.