Here's the trap. You cost an AI voice agent the way you'd cost any software: speech in, model, speech out, telephony. About four and a half cents a minute. Then you point it at outbound, and the cheapest line item in the whole build turns out to be the minutes.
Compliance roughly doubles the cost of a call, and the penalty for skipping it is around 3,600 times what the call cost to make. A three-minute call costs about 14 cents to produce and about 27 cents to produce with branded calling and a spoken disclosure. Statutory damages under the TCPA run $500 to $1,500 per call, with no aggregate cap.
It is the fire-alarm problem. The alarm costs more than the wiring it protects, right up until the moment it doesn't.
So this page costs the compliance items individually against our own per-minute model, sets out what the law actually says and when each part of it took effect, and finishes with the number that settles the argument: how many prevented violations pay for the whole thing.
What does a voice minute cost before compliance?
Our component model puts the floor at $0.0465 a minute, built from four published rates: speech-to-text at $0.0077, the model at $0.0108, speech synthesis at $0.0140 and Twilio telephony at $0.0140.
That is computed from vendors' own list prices, not measured from an invoice, and it is a floor rather than a forecast. It assumes list pricing, no committed-use discount and one clean turn per exchange. A three-minute call therefore costs about $0.1395 to produce. Real bills run higher, which is a separate problem we have written about in why voice bills come in over the estimate.
What do the compliance line items cost?
| Item | Cost | Effect on a 3-minute call |
|---|---|---|
| Production, all four components | $0.1395 | baseline |
| Branded calling, charged per call | $0.1200 | plus 86% |
| Eight-second spoken disclosure | $0.0062 | plus 4.4% |
| Compliant three-minute call | $0.2657 | 1.90 times baseline |
Branded calling is the expensive one, and the pricing shape is what makes it bite. Twilio charges about $0.12 per call for it, not per minute. Against telephony at $0.0140 a minute, the branded overlay costs more than eight and a half minutes of carriage. On a short call it can exceed everything else combined.
It is also the item most likely to pay for itself commercially rather than legally, since an unbranded number in 2026 is answered considerably less often than a branded one. That is the rare compliance spend with a connect-rate argument attached.
The disclosure is almost free by comparison. Eight seconds of spoken audio at the full component rate is six tenths of a cent, which is under five percent of the call.
What does the law actually require?
The settled part is narrow and clear. On 2 February 2024 the FCC adopted a unanimous Declaratory Ruling confirming that AI-generated voices count as "artificial" under the Telephone Consumer Protection Act. It was released on 8 February 2024 as FCC 24-17 in docket 23-362, and took effect immediately. The consequence is that calls using such voices require the called party's prior express consent.
What is not settled is disclosure. The FCC proposed mandatory in-call AI disclosure in a rulemaking in September 2024, and as of mid-2026 that has not been finalised. So a spoken "this is an AI assistant" is not a federal requirement today, which is the opposite of what a good deal of vendor content implies. Several states have their own disclosure rules, and Texas brought TRAIGA into effect on 1 January 2026.
There is also a carve-out worth knowing, because almost nobody publicises it: California's AB 3030 expressly exempts appointment scheduling and billing. A large share of what AI receptionists actually do falls inside that exemption.
How does the penalty compare to the cost of the call?
This is the arithmetic that makes the rest of the page trivial. TCPA damages are $500 to $1,500 per call and there is no aggregate cap, so the exposure scales linearly with the campaign.
- $500 against a 14-cent call is 3,584 times the production cost.
- $1,500 is 10,753 times.
- A 10,000-call campaign costs $1,395 to produce and $2,657 to produce compliantly, so the entire compliance overhead is $1,262.
- That overhead is repaid by preventing three violations. Three, out of ten thousand calls, at the statutory floor. At the ceiling it is one.
Non-compliant exposure on that same campaign runs from five million to fifteen million dollars. There is no arrangement of these numbers in which skipping compliance is the cheaper option, which is why the honest framing of this whole subject is not cost at all. It is whether you can obtain consent for the list you want to call.
So is outbound voice worth doing?
It depends entirely on whether you have consent, and that is a different question from whether you can afford the minutes.
- If you have prior express consent, budget 27 cents for a three-minute call rather than 14. Double the component model, and the doubling is mostly branded calling, which improves your connect rate anyway.
- If you do not have consent, the cost model is the wrong tool. No per-minute saving survives contact with a penalty three and a half thousand times the call. Fix the consent position first or point the agent at inbound instead.
- Check whether your use case is exempt before assuming it is not. Appointment scheduling and billing sit outside California's disclosure rule, and a lot of receptionist work is exactly that. Our costings for what an AI voice agent costs assume no compliance overlay, so add these line items to them for outbound.
- Price branded calling per call, not per minute, when you model it. On short calls it is the dominant cost, and a model built per minute will understate it by a wide margin.
The answer to the question in the title is that compliance roughly doubles the cost of a call, from about fourteen cents to about twenty-seven on a three-minute conversation. Set against damages that start at five hundred dollars a call, that doubling is the cheapest thing on the invoice.