Free tool

AI chatbot cost calculator:
how much will you pay once it works?

Almost nobody compares the thing that actually matters: what happens to your bill when the chatbot starts working and serves more people. Enter your real volume and compare the market's three pricing models.

Conversations per month

2,000

How many conversations you expect the chatbot to handle each month.

Expected resolution rate

60%

Percentage of conversations the bot resolves without handing off to a human.

Volume growth

+100%

If the bot works, it will serve more people. How much will your volume grow over the next year?

Prices to compare

Editable values. These are generic market references, not the rates of any specific vendor.

Monthly cost compared

Per conversation€300/mo
With growth: €600/mo+100%
Per resolution€1,188/mo
With growth: €2,376/mo+100%
Flat fee€490/mo
With growth: €490/mo±0%
Cost per real resolution€0.25 · €0.99 · €0.41

What you pay divided by the conversations the bot actually resolves, under each model.

The success trap

Under the "Per conversation" model, your bill goes up 100% precisely because the chatbot works and serves more people. The assistant's success makes the tool more expensive.

Indicative simulation based on the values you enter. This is not a quote and does not reflect any specific vendor’s rates: every platform defines its own pricing.

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The three models

How each pricing model charges you (and who it benefits)

Per conversation

You pay for every interaction, whether the bot resolves it or not. It is the easiest model to understand and the hardest to budget for: a spike in queries (a sale, an incident, a campaign) sends the bill soaring without the service getting any better.

Per resolution

You only pay for the conversations the bot resolves on its own. It sounds aligned with your interests, but it penalises exactly what you want to happen: the assistant serving more people. The better it works, the more you pay. And the one who decides what counts as "resolved" is the vendor.

Flat fee

A fixed monthly cost, whether it does a little or a lot. It is the only model where the vendor earns the same whether the bot resolves 30% or 80%, so their incentive is for it to resolve more, not converse more. In exchange, it needs volume to pay off.

Want to understand which metrics you should demand beyond the price? Read our report "Deflection is not resolution".

FAQ

Questions about AI chatbot costs

How much does an AI chatbot cost for a business?
It depends on the pricing model: self-service platforms typically charge per conversation (cents per interaction) or per resolution (around 1 euro per resolved conversation, based on publicly listed market rates), while custom or managed projects work on a flat monthly fee. At high volumes, the difference between models can amount to thousands of euros per month.
What is per-resolution pricing for chatbots?
It is a model where you only pay when the chatbot resolves a conversation without human intervention. It sounds aligned with your interests, but it has a perverse effect: the better the bot works and the more people it serves, the more you pay. Your bill grows precisely when the assistant starts performing well.
Which pricing model is best for a customer support chatbot?
If your volume is low or you are still validating the idea, paying per use limits your risk. If the chatbot is already part of your operations and your volume is growing, a flat fee gives you a predictable cost and does not penalise success. What matters is running the numbers with your real volume and its expected growth, which is exactly what this calculator does.
What hidden costs does an AI chatbot have beyond the licence?
The main ones are content maintenance (keeping documentation up to date), continuous tuning of the assistant (reviewing failed conversations and refining answers), integrations with your systems, and the time your team spends supervising. On self-service platforms that work falls on you; in a managed service it is included in the fee.

Prefer a cost that doesn't grow with your success?

Our AI assistant is delivered up and running, tuned for your sector and with a fee agreed upfront. Tell us your volume and we'll give you real numbers.

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AI Chatbot Cost Calculator: Compare Pricing Models

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