Pricing in this category looks messy because providers bill in different units. One charges per answered call, the next per minute of talk time, the next a flat monthly rate. Compare the headline numbers alone and you will pick wrong. Below are the three models, a sourced price table by provider, and the break-even math that tells you which model fits your call volume.
This guide is referral-supported. We may earn a fee if you choose Cactus through us, which does not change the pricing data or the picks on this page. See our disclosure.
The three pricing models
Every provider in this space uses one of three billing units. Knowing which one you are looking at matters more than the starting price.
1. Flat monthly plans
You pay a set fee for a bucket of usage. Some flat plans meter by unique caller (Goodcall bills once per new person, with unlimited talk time on that caller), others bundle unlimited inbound into a monthly rate (GoHighLevel Voice AI at the $97 tier). Flat plans give you a predictable bill and reward high call volume, because a busy month costs the same as a slow one until you cross the plan ceiling. For contractors, flat plans commonly land in the low hundreds per month.
2. Per-call billing
You pay a base fee that includes a set number of answered calls, then an overage rate for each call past that. Smith.ai's AI receptionist works this way: around $95 a month for 50 calls, which is an effective rate of about $1.90 per call while you stay inside that base tier, then a higher overage of roughly $2.40 per call for each call past 50, per provider and third-party pricing as of mid-2026. The two numbers are not a contradiction: $1.90 is what each call costs when the base fee is spread across the 50 it includes, and $2.40 is the marginal price once you exceed them. Per-call is predictable at low volume and punishing at high volume, because the meter runs on every answered call whether it books a job or asks about a warranty.
3. Per-minute billing
You pay for talk time. Rosie and Abby Connect's AI tiers meter minutes; every live human service (Ruby, PATLive, AnswerConnect, AnswerForce) does too. Per-minute rewards short calls and penalizes long ones. It is the model to watch most closely, because human answering services often bill for after-call work, spam calls, and wrong numbers, which inflates your real cost per booked job well above the headline rate.
A $95 per-call plan and a $95 flat plan are not the same price. At 40 calls a month they cost about the same. At 120 calls the per-call plan can run two to three times higher. Estimate your monthly call count before you compare.
AI receptionist pricing by provider
Entry-level rates as of mid-2026. These are starting prices, not your final bill. Overages, add-ons, and higher tiers push real cost up. Confirm current pricing directly with each provider before you commit.
| Provider | Type | Billing model | Starting price |
|---|---|---|---|
| Rosie | AI answering | Per minute | $49/mo (250 min) |
| Goodcall | AI receptionist | Per unique caller, unlimited minutes | $79/mo (Starter) |
| Smith.ai (AI) | AI receptionist | Per call | ~$95/mo (50 calls) |
| Abby Connect (AI) | AI receptionist + human backup | Per minute | $99/mo (50 min) |
| AnswerConnect | Live human answering | Per minute | ~$350/mo (200 min) |
| PATLive | Live human answering | Per minute | ~$250/mo (75 min) |
| Ruby | Live human answering | Per minute | $250/mo (50 min) |
| AnswerForce | Live human answering | Per interaction | ~$279/mo (200 min) + $99 setup |
| GoHighLevel Voice AI | CRM/agency AI voice (DIY) | Per minute or bundled | $50–$97/mo per sub-account |
| Housecall Pro CSR AI | CRM-native AI add-on | Not publicly listed | Quote in-app |
| Cactus | AI receptionist for trades | Not published | Provided on a demo |
Sources: provider pricing pages plus third-party pricing guides (Smith.ai, Goodcall, heyRosie, Abby, AnswerConnect, PATLive, Ruby, AnswerForce, GoHighLevel, Housecall Pro), as of mid-2026. Smith.ai's live AI pricing page renders as a contact form, so its base rate is corroborated through secondary guides. Housecall Pro CSR AI and Cactus do not publish public prices.
Want the number for your actual call volume? Run it through the missed-call revenue calculator.
Open the calculatorBreak-even: flat versus per-call by call volume
The model that wins depends on how many calls you get, not on the sticker price. Here is the math using two real starting plans: a per-call plan at about $95 a month for 50 calls (about $1.90 per call on the base tier) plus roughly $2.40 per call after (Smith.ai AI), against a per-caller flat plan at $79 a month that covers up to 100 unique callers (Goodcall Starter), both as of mid-2026.
| Monthly calls | Per-call plan (~$95 base + $2.40 over 50) | Flat per-caller plan ($79 up to 100) | Lower cost |
|---|---|---|---|
| 30 calls | ~$95 | $79 | Flat |
| 50 calls | ~$95 | $79 | Flat |
| 75 calls | ~$155 | $79 | Flat |
| 120 calls | ~$263 | ~$89 (20 extra callers) | Flat |
Two cautions on this example. First, calls and unique callers are not the same count. A per-caller plan bills a repeat customer once even if they phone three times, so its effective advantage at high volume is usually larger than a raw call-to-call comparison shows. Second, the per-call plan's edge appears only at very low, steady volume where you never touch overage. For a contractor running paid ads or in a busy season, volume swings up fast, and that is exactly when the per-call meter runs hardest. If your call count is unpredictable, a flat or per-caller plan protects you from a spike month.
Flat / per-caller fits when
- Call volume is higher or swings with season and ad spend
- You want a predictable bill you can budget against
- You get repeat callers a per-caller model bills once
Per-call / per-minute fits when
- Volume is low and steady, well inside the base tier
- Calls are short (per-minute) or infrequent (per-call)
- You want to pay only for what you actually use
Why human answering services cost more
Live answering services (Ruby, PATLive, AnswerConnect, AnswerForce) start higher and climb faster than flat AI plans because a person staffs every call. Ruby runs $250 to over $1,700 a month, PATLive $250 to about $1,170, AnswerConnect from around $350 (quote-based, so confirm directly), per provider pricing as of mid-2026. The headline rate understates the real cost, because per-minute human billing meters after-call work, spam, and wrong numbers, and it rounds up. Your cost per booked job ends up well above the per-minute number on the page. Human services still win when a call needs judgment and warmth that scripting cannot deliver. For straight capture-and-book on trade calls, an AI plan captures more calls per dollar.
Where Cactus fits on price
Cactus does not publish a public price, so we will not print a number. Pricing is provided on a demo. What makes a demo worth the time for a contractor: Cactus is an AI voice receptionist built specifically for the home-service trades, answers inbound calls 24/7, is bilingual in English and Spanish, and integrates with Housecall Pro and Jobber. It captures the lead and books the job, and it carries a 3x-or-free guarantee, meaning if it does not return three times the monthly fee in new revenue, that month is free. That guarantee is the part that changes the pricing conversation. It shifts the risk of the meter off you, which the flat and per-call plans above do not do. Get the demo quote and weigh it against the numbers in this table.
The ROI framing: one job usually covers the month
Stop comparing the monthly fee to zero. Compare it to what a missed call costs you. In the trades, most inbound calls carry real ticket value. A single HVAC install, a repipe, a panel upgrade, or a roof repair runs from the high hundreds into the thousands. If a plan costs a few hundred dollars a month and it books one job you would otherwise have lost to voicemail, it paid for itself. Everything after that is recovered revenue.
This is the part contractors miss. You already spend on Google Ads, Local Services Ads, SEO, and lead marketplaces to make the phone ring. When that call hits voicemail, the ad dollars that generated it are gone, and home-service callers rarely leave a message. A missed call usually goes straight to the next company. An AI receptionist protects the top of the funnel you already paid to fill, which is why the coverage math is straightforward: the fee is small next to the marketing spend it protects.
The verdict on cost
Budget a few hundred dollars a month for AI answering built for the trades, and match the billing model to your call pattern: flat or per-caller if volume is high or swings, per-call or per-minute only if volume is low and steady. Human services cost more and earn it on nuanced calls, not on straight capture-and-book. Whatever you pick, the fee is justified the first month it books a job voicemail would have lost. Run your own numbers in the calculator, then get matched.