How much does an AI-powered phone answering system cost?

There is no single market price for an AI-powered phone answering system. Current published examples range from low-volume free plans to about $30 per month for a small standalone minute bundle. Other services charge per call or add a monthly fee for more tools.

If you are comparing more than price, read our guide to the best AI voice receptionist software for small businesses and the checks that matter before you choose.

The price depends on what the plan includes. A phone number, conversation minutes, appointment booking, transfers, recordings, integrations, and human support can all change the bill.

What you are actually paying for

The AI voice is only one part of the service. You are also paying for the phone connection that carries the call and the rules that tell the system what to do.

A basic plan may answer questions and take messages. A more involved setup may book appointments, send information to a CRM, transfer urgent calls, or create a summary for your team. Each added action needs configuration and testing.

Twilio's official Voice API documentation shows the phone layer behind these systems. It can receive and route calls, connect them to phones or SIP systems, and support recordings and transcriptions. That infrastructure cost is separate from the conversation logic in some products.

The three common pricing models

Per-minute pricing

Minute-based plans work well when call length is predictable. Zoom says its AI receptionist starts at $0.30 per minute as a Zoom Phone add-on. In a July 9, 2026 announcement, Zoom listed a standalone example at $29.99 per month for 100 minutes, or $24.99 per month with annual billing. That is one current published example, not an industry-wide standard.

Read the details in the official Zoom use-case guide and the company's standalone announcement. Pricing can change, so check the provider page before making a decision.

Per-call pricing

Per-call pricing is easier to forecast when most calls are short. Smith.ai's current AI receptionist page lists a free plan for 25 calls per month, then $3 per call. Its Pro plan lists $150 per month plus $2 per call, while Enterprise lists $500 per month plus $1.67 per call.

Those are Smith.ai's published prices for its AI receptionist service. They are useful examples of a call-based model, not a promise that every provider includes the same features. The page also lists scheduling, integrations, call summaries, and lead routing.

Monthly plans with human support

Some services combine AI with live agents. That is a different category from an AI-only phone system. Smith.ai's separate human receptionist pricing page starts at $300 per month for 30 calls. A live-person option can be valuable when calls need judgment, but compare it separately from automated coverage.

What changes the bill?

Call volume is the obvious factor. Average call length matters just as much. A hundred calls that last one minute do not use the same capacity as a hundred calls that last five minutes.

The next cost driver is what the receptionist does after answering. Appointment scheduling, CRM updates, transfers, recordings, transcription, and custom workflows may be included, limited, or priced separately.

Your current phone setup matters too. Some services work with an existing phone system. Others provide a new number or require a particular phone platform. Our guide to using an AI receptionist with an existing phone system covers the questions to ask before connecting a live line.

A simple way to estimate your cost

Start with one month of call history. Count the calls you want the AI to answer and estimate the average length. Then write down the one action that matters most, such as booking an appointment or collecting a callback request.

Compare the plan against this simple picture: base fee plus call or minute usage plus any phone, transfer, integration, or setup costs. Ask the provider what happens when you pass the included limit.

For example, 100 calls at three minutes each would use about 300 minutes. A plan that includes 100 minutes may look inexpensive, but it is not enough capacity for that pattern unless the provider explains the next tier or overage price.

What to compare before you buy

Check the included calls or minutes first. Then check the overage rate. A low monthly price can become expensive if the usage limit is too small for your normal week.

Ask whether the service can use your existing phone system, transfer to your team, book the appointment you care about, and show the conversation afterward. A clear handoff is often more useful than a longer list of features.

Finally, check trial terms, annual billing, cancellation rules, recording retention, and how the provider handles sensitive caller information. Test with real questions before you route every call through it.

Where Leadspa fits

Pricing is easier to judge once you know the workflow. Our plain-language guide to what an AI voice receptionist is explains the basic call flow. Our guide to the questions it should ask helps you decide what the system should handle before you compare plans.

Leadspa can help you map a focused first workflow around your existing phone setup, services, and handoff rules. The right plan is the one that handles a useful slice of your calls without creating cleanup for your team.

Once you choose a plan, our guide to setting up an AI voice receptionist walks through the connection, call rules, and testing steps.

If your main question is what happens when the office is closed, our guide to AI receptionist after hours explains the handoff, lead capture, and boundaries to set before launch.

Before you judge a plan by its features, read our guide to AI receptionist testing and decide how you will know the call flow is working.