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24/7 AI answering services

13 tracked vendors state “24/7 answering” on their own pages. Cheapest AI option at 100 calls/month: Upfirst Premium at $69.95/mo. Cheapest human service: Posh Luxurious at $630/mo.

Last checked 2026-10-17 on the official pages.

Only vendors whose own pages state 24/7 answering are listed; a vendor missing here may still offer it without saying so on the pages we read.

AI receptionists at 100 calls/month

#	Vendor · plan	Est. per month	Type	Source
1	Upfirst · Premium	$69.95	AI receptionist	source · 2026-10-17
2	AI-Receptionist.com · Essential	$70.25	AI receptionist	source · 2026-10-17
3	Telyn · Starter	$122	AI receptionist	source · 2026-10-17
4	Dialzara · Business Pro	$135	AI receptionist	source · 2026-10-17
5	Rosie · Scale	$149	AI receptionist	source · 2026-10-17
6	NextPhone · Pro	$199	AI receptionist	source · 2026-10-17
7	Smith.ai AI Receptionist · Pro (75 calls)	$212.50	AI receptionist	source · 2026-10-17
8	AgentZap · Starter	$236.50 (+ $499 one-time setup)	AI receptionist	source · 2026-10-17
9	Abby Connect · Professional (AI minutes)	$599	AI + human	source · 2026-10-17
10	Quo (formerly OpenPhone) Sona	pending The page shows two different per-user prices for the same plans ($19 vs $15 for Starter), so the total is pending.	AI receptionist	source · 2026-10-17

Assumes 3 minutes per call for minute-billed plans. Cheapest plan per vendor for that volume. Excludes tax, phone-number fees and add-ons.

At 300 calls/month

#	Vendor · plan	Est. per month	Type	Source
1	Rosie · Scale	$149	AI receptionist	source · 2026-10-17
2	Upfirst · Pro	$159.95	AI receptionist	source · 2026-10-17
3	AI-Receptionist.com · Business	$199	AI receptionist	source · 2026-10-17
4	NextPhone · Pro	$199	AI receptionist	source · 2026-10-17
5	Telyn · Starter	$272	AI receptionist	source · 2026-10-17
6	Dialzara · Business Elite	$349	AI receptionist	source · 2026-10-17
7	Smith.ai AI Receptionist · Pro (300 calls)	$500	AI receptionist	source · 2026-10-17
8	AgentZap · Professional	$632.50 (+ $499 one-time setup)	AI receptionist	source · 2026-10-17
9	Abby Connect · Growth (AI minutes)	$1,380	AI + human	source · 2026-10-17
10	Quo (formerly OpenPhone) Sona	pending The page shows two different per-user prices for the same plans ($19 vs $15 for Starter), so the total is pending.	AI receptionist	source · 2026-10-17

Assumes 3 minutes per call for minute-billed plans. Cheapest plan per vendor for that volume. Excludes tax, phone-number fees and add-ons.

Live human services

#	Vendor · plan	Est. per month	Type	Source
1	Posh · Luxurious	$630	Live human receptionists	source · 2026-10-17
2	Smith.ai Virtual Receptionists · 90 calls	$915	Live human receptionists	source · 2026-10-17
3	Ruby · 500 minutes	$1,725	Live human receptionists	source · 2026-10-17

Assumes 3 minutes per call for minute-billed plans. Cheapest plan per vendor for that volume. Excludes tax, phone-number fees and add-ons.

Disclosure: the Rosie and AI-Receptionist.com sign-up links are affiliate links (marked “affiliate link”), so we may earn a commission. Costs and the cheapest-first ordering are calculated identically for every vendor and never depend on affiliate status.

What the vendors say

NextPhone: “Answers every call, 24/7”
Posh: “24/7 live answering”
Quo (formerly OpenPhone) Sona: “Sona is an AI agent that answers calls 24/7”

Other features: Appointment booking · HIPAA option · Spanish · Call transfer · CRM / integrations

Frequently asked questions

Which AI answering services answer 24/7?

13 tracked vendors state “24/7 answering” on their own pages. Cheapest AI option at 100 calls/month: Upfirst Premium at $69.95/mo. Cheapest human service: Posh Luxurious at $630/mo. Vendors: AI-Receptionist.com, Telyn, Rosie, Dialzara, Upfirst, AgentZap, Smith.ai AI, NextPhone, Posh, Ruby, Smith.ai Live, Abby Connect, Quo.