What each one actually is
Traditional answering service
A company that hires human operators to answer your phones from a remote call center. Examples: Smith.ai, Ruby Receptionists, AnswerConnect, MAP Communications, PATLive. They route incoming calls to their operators, who follow a script you provide, take messages, and optionally transfer urgent calls to you.
AI receptionist software
Software that answers your phones using AI voice technology. Examples: RunBy, Goodcall, Rosie. The AI is trained on your business — services, pricing, calendar, FAQ — and handles every call in your brand voice. It can book appointments, quote prices, triage emergencies, and integrate with your CRM.
Cost comparison
Traditional answering services use per-minute or per-call pricing. Typical structure: $230-$400/month minimum + $1.50-$3.00/call (or $0.75-$1.50/minute) above the included volume. A service business with 250 calls/month often ends up at $800-$1,400/month.
AI receptionists use flat-rate pricing. RunBy is $299-$799/month for unlimited calls and full feature set. No per-call or per-minute charges. See exact AI receptionist pricing.
Net: AI is typically 50-70% cheaper at the volumes most service businesses run.
Capability comparison
This is where the difference is most stark.
| Capability | Answering Service | AI Receptionist |
|---|---|---|
| Answer 24/7 | Usually yes | Yes |
| Book into your calendar | Limited | Yes |
| Quote prices | No | Yes |
| Estimate follow-up | No | Yes |
| Invoice follow-up | No | Yes |
| Google review requests | No | Yes |
| Daily owner briefing | No | Yes |
| Per-minute charges | Yes | Never |
Quality comparison
Where answering services still win
Operators can read subtle emotional cues better than current AI in some specific situations — a grieving customer calling a funeral home, a frustrated existing customer who needs careful escalation handling. These nuances matter for some industries.
Where AI wins
Consistency. The 500th call sounds exactly like the 1st. No operator turnover. No 'this rep doesn't know your business' problem. Full call transcription and CRM integration is default.
Industries where each one fits
Answering services tend to fit: Law firms (privilege sensitivity), funeral homes (emotional handling), niche healthcare practices, ultra-high-touch B2B sales.
AI receptionists tend to fit: HVAC, plumbing, electrical, roofing, cleaning, pest control, landscaping, auto repair, dental practices, salons, gyms, towing — essentially any service business where the call flow is repeatable enough that consistency wins over nuance.
The hidden disadvantage of answering services
Per-minute billing creates a perverse incentive: the operator is incentivized to keep calls short, even when the customer wants more help. You can hear this on the calls. Customers feel rushed. AI does not have this incentive — it stays on the call as long as needed because there is no per-minute charge.
Our honest recommendation
For 90% of service-business owners reading this: start a free pilot with an AI receptionist. The downside is two weeks of your time. The upside is 50-70% cost savings plus 5-10x more workflows handled.
For the other 10% with truly nuanced call handling needs: stick with a human answering service for now. Most are moving toward AI hybrid models within the next 2-3 years anyway.