What AI customer service costs a Shopify store in 2026

The three pricing models

Per-resolution pricing charges each time the AI closes a conversation without a person, usually on top of a platform fee. Your bill follows customer demand, so a launch week or a sale makes it larger. The definition of a resolution matters: ask whether a chat the customer simply abandons still counts.

Per-seat pricing charges for each human agent who logs in. Your bill follows team size, not conversation volume. The AI is either bundled with a usage limit or billed as a separate line, so ask which.

Flat-rate pricing sets a monthly fee that covers up to a stated number of conversations. Your bill is predictable, and the question to ask is how the vendor defines a conversation and what happens when you pass the cap.

A worked example at 500, 2,000 and 5,000 conversations a month

These figures are illustrations, not quotes from any vendor. The per-resolution column assumes $0.90 per AI-resolved conversation and 70% of conversations resolved by the AI, and leaves out any platform fee charged on top. The per-seat column assumes $100 per seat per month and one seat for every 1,500 conversations, rounded up. Swap in the numbers from the quotes you collect.

Read the table by its shape. Per-resolution cost rises in a straight line with volume. Per-seat cost rises in steps as you hire. The flat plan is the same at 2,000 and 5,000 because both fit inside Growth's 5,000 conversations. Above 15,000 conversations a month, Kylix prices Enterprise+ by quote.

Plan choice also depends on channels. Kylix Starter covers Instagram DMs, website chat and SMS, so a store that needs WhatsApp at 500 conversations a month starts on Growth at $599, not $149. Lite and Basic are website chat only.

When each model fits

• Per-resolution suits a small store with low, uneven volume, where paying only for solved conversations beats a monthly minimum.
• Per-seat suits a store with a large human team that wants the AI as a modest add-on to an existing helpdesk.
• Flat-rate suits steady or growing volume, and any store that wants to know next quarter's bill before a promotion starts.

How to count your own volume

Count conversations, not messages. Pull the last three months of inbound questions from your email inbox, chat tool and Instagram, then group them by customer and day so a ten-message thread counts once. Take your busiest month, add 30% for growth, and price that number. A plan sized to your average month will feel cheap until the month it does not fit.

Costs that sit outside the plan price

• WhatsApp message fees. Meta charges per delivered template message, and from 1 October 2026 it also charges per message for service replies. This is separate from any software fee, whichever vendor you choose.
• Add-ons. Kylix SMS add-ons start at $20 a month and are sold on Starter and above. Extra email inboxes are $15 a month each on Growth and above.
• Seats. Kylix does not charge per seat. Adding teammates is available from Growth, with no per-person fee.
• Setup and onboarding. Some vendors charge to connect your store or train the agent. Kylix setup is self-serve, in about an hour.
• Overage and minimums. Ask what happens in a month that runs 30% over your tier, and whether there is a minimum commitment or an annual-only discount. Kylix charges no overage fee: it emails you at 80% and 100% of your conversations, chats in progress carry on, and new conversations wait for the monthly reset or an upgrade.

How to compare quotes on equal terms

1. Convert every quote to a cost at your own 500, 2,000 and 5,000 conversation months, including your busiest month of the last year.
2. Write down what the meter counts: resolutions, conversations, messages or seats.
3. List the channels you need and which plan includes each one.
4. Add channel fees that the vendor does not control, such as WhatsApp.
5. Ask for the cancellation terms and whether the trial uses real customers.