The comparison is usually framed as cheap-and-robotic against expensive-and-human. That framing gets the decision wrong for a lot of businesses, in both directions.
The useful split is not quality. It is what your calls are made of.
Four questions that settle it
Answer these before looking at any rate card.
1. Do your callers need to be known? If a caller expects "hello Mrs Okonkwo, your appointment is Thursday", an AI agent with no CRM connection cannot do it. Ours cannot — there are no integrations, no account lookup, no order status. A human with a screen in front of them can.
2. What fraction of calls have the same answer for everyone? Hours, location, parking, what you sell, whether you cover a postcode, roughly what a job costs. If that is most of your volume, an agent handles it identically every time at any hour, and a person is being paid to repeat themselves.
3. When does the phone ring? An answering service is priced for the calls it takes. An AI line costs nothing for the hours nobody rings. If your volume is spiky — a brutal Monday and four quiet afternoons — that difference is usually bigger than the rate difference and does not appear in a per-minute comparison at all.
4. Is anyone reading the calls afterwards? If reviewing what customers said is part of how you run the business, Osokoro Phone is the wrong tool: it stores no transcripts and no recordings, by design. That is a hard stop and no price changes it.
How the two are priced, structurally
I am not going to quote you an answering service's rate. It varies by state, by industry, by whether they bill per minute or per call, and by how hard you negotiated — and a number I looked up once and repeated for a year is worse than none. What I can describe is the shape.
A human service bills for handled volume, usually with a monthly minimum you pay whether or not you use it. The minimum is the part people forget. It makes the effective per-minute cost of a quiet month much higher than the headline, and it makes a busy month cheaper than expected.
An AI line bills per connected minute with no floor and no seat fee. Ours is 23 cents a minute, derived from 90,000 µUSD of cost per minute plus a 150% markup, rounded up to the whole cent. Your carrier and number rental are separate and are billed by your carrier, not by us. There is a one-minute minimum per connected call, which matters more than it sounds.
That last point is where the arithmetic usually surprises people, so it gets its own section.
The one-minute minimum, and who it hurts
A connected call lasting eleven seconds bills a full minute. A call that never connects bills nothing.
For a line whose calls average four or five minutes, this rounds to noise. For a line whose calls average forty seconds — a booking line, an is-it-open line — you are paying roughly 50% more per call than the headline rate implies, every call, forever.
Run your own number before anything else:
effective cost per call = ceil(your average minutes) × $0.23
If your average call is 40 seconds, that is 23 cents, not the 15 cents the rate would suggest. Still cheap. Just not as cheap, and worth knowing before you build a case on it.
Where each one actually wins
A human service wins when calls need judgement, when the caller has to be identified, when the conversation is emotionally loaded, when a booking has to land in a system, or when your volume is low enough that a minimum is cheaper than the setup effort. It also wins on the thing nobody puts in a comparison table: a person can tell when a call is going badly and change what they are doing.
An AI line wins on repetition, on hours nobody is staffed, on consistency, and on spiky volume. It also wins on a subtler thing — it never has a bad Tuesday. The eightieth caller asking about parking gets the same answer as the first.
Both together is the arrangement most small businesses land on, and it is worth naming as an option rather than a compromise. The agent answers, handles the eight questions that have one answer, and transfers the rest. Ours transfers to a single number you configure — it cannot pick a destination, which is a security property rather than a gap — so "the rest" all goes to one place. If you need sales and support routed differently, that is two numbers and two agents.
What you are trading away
Being explicit, because this is the section a vendor comparison usually skips.
Choosing an AI line means giving up the ability to review call content. No transcripts, no recordings, no caller numbers. What survives is a content-free row — status, duration, turn count, search count, cost estimate — deleted after thirty days.
It also means a five-minute default call cap, ten minutes maximum. A timer ends the call. For a booking line that is generous; for technical support it means planning around a transfer.
And it means no outbound. The agent answers; it never dials.
The honest status
Osokoro Phone is a private beta, approved by a person, one business at a time. Number provisioning is done by an operator rather than by you, the rate above is proposed rather than a billing commitment, and production metering is still gated.
So the realistic comparison today is not "sign up and switch". It is "is this worth a conversation about a pilot on one line" — and the four questions at the top are how you decide that without talking to anybody.