Last updated: November 9, 2026
Business Central AI agents bill in Copilot Credits, separate from per-user licenses. Microsoft lists $0.01 a credit pay-as-you-go. At one partner’s published formula, a 3-line invoice uses 65 credits, about $0.65, and that formula is unconfirmed.
TL;DR: Business Central’s AI agents bill by usage in Copilot Credits, on top of per-user licenses. Microsoft lists $0.01 a credit pay-as-you-go. One partner’s formula puts a 3-line invoice at about $0.65, but Microsoft hasn’t published a per-invoice rate we could find, so budget from a pilot. If you run Dynamics GP, set that against what an integration costs to build and keep running.
Somebody on your team has seen the demo. An AI agent reads an emailed PDF invoice, drafts the entry, and a person reviews it before anything posts. Good idea. Then comes the question the demo skips. What does it cost each month?
It isn’t a license line. It’s a meter. The agents run on Copilot Credits, and the bill moves with how many invoices arrive and how many lines each one has. That’s a change for a finance team used to flat per-user pricing, and it makes the comparison with automating AP in GP harder than it looks.
This post covers the pricing Microsoft publishes, the formula one partner uses to estimate it, and the spots where the numbers stop being solid. It also covers what AP automation inside Dynamics GP involves, with no invented prices, because that side depends on your setup.
Argus Consulting Group is a Dynamics GP partner in Pasadena, founded in 1989, with GP experience since 1993. We support GP and we handle Business Central migrations, so we make money either way. Read what follows as a way to budget, not a recommendation.
How Are Business Central AI Agents Billed?
Agents bill in Copilot Credits, and the meter runs apart from your per-user licenses. Microsoft’s Business Central pricing page lists Essentials at $80 per user each month and Premium at $110, both paid yearly, with Team Members at $8. The same page says the Payables Agent and Sales Order Agent require Copilot Credits, sold separately from those plans. Prices vary by region and currency, and we pulled these on October 28, 2026.
There are two ways to buy credits. Pay-as-you-go has no upfront commitment, and you pay for what you used at the end of the monthly billing period. Pre-purchase, through Copilot Credit Commit Units, can save up to 20% with an upfront purchase, per the same page. An Azure subscription is required to use agents.
Microsoft’s Copilot Studio licensing page lists $0.01 per Copilot Credit pay-as-you-go, plus a 25,000-credit capacity pack at $200 a month billed annually. It also says pricing is subject to change.
What Does the Payables Agent Cost Per Invoice?
Microsoft doesn’t publish a per-invoice rate that we could find. Its Payables Agent setup page says the agent requires Copilot Credits to process vendor invoices and shows total consumption in a Cost section, but it gives no rate. Tigunia, another Business Central partner, says the same in its May 2026 guide.
What does exist is a partner estimate. OTT, Inc. published a formula in September 2026 that puts the Payables Agent at 50 credits per invoice plus 5 credits per invoice line. At $0.01 a credit, here’s what that looks like. The invoice counts are round examples, not benchmarks, and the arithmetic is ours.
| Invoices a month | Lines per invoice | Credits (formula) | Cost at $0.01 |
|---|---|---|---|
| 100 | 3 | 6,500 | $65 |
| 250 | 4 | 17,500 | $175 |
| 500 | 5 | 37,500 | $375 |
Treat the formula as a lead. It comes from one partner’s blog, and Microsoft doesn’t confirm it.
One pattern shows up in the numbers. If the $200 pack applied, it would beat pay-as-you-go only above 20,000 credits a month, since $200 buys 25,000 credits, or $0.008 each. The 250-invoice row sits under that line. Volume decides which way to buy.
Cost per invoice is also only half the picture. Whether the agent reads your vendors’ invoices cleanly decides how much review time your team still spends, and a pilot is the only way to find that out.

What About the Expense Agent?
The Expense Agent reads receipts and builds expense reports. OTT puts it at 50 credits per receipt, which is $0.50, so 250 receipts a month would run 12,500 credits, or $125. Same caveat as before, one partner’s number.
The bigger issue is status. Microsoft’s release plan page lists the Expense Agent as a public preview that began May 8, 2026, in English and in the US only, with Australia, New Zealand, and the UK following in July 2026. General availability isn’t listed. Building a production process on a preview feature is a risk worth naming out loud.
What Can Make the Meter Surprise You?
Cost surprises tend to come from how the agent behaves and not from the rate, and Microsoft’s setup page and one community post cover the ones worth knowing before you turn it on.
- When your credits run out, the agent stops processing new invoices from the monitored mailbox but stays active. When credits return, it picks up every unread invoice email that piled up, and Microsoft says that backlog “can consume a significant portion of your renewed credits quickly.”
- Only users with the SUPER or AGENT – DIAGNOSTICS permission set can see detailed consumption, according to Demiliani’s March 2026 post. AGENT – ADMIN isn’t enough.
- The agent needs a Microsoft 365 mailbox that receives the PDF invoices, and Microsoft says it’s validated and supported in English for Australia, the UK, the US, and New Zealand. Other languages may not work as intended.
- Tigunia reports a daily cap of 100 emails and 500 invoices, no processing of PDFs over 5 MB or 10 pages, and availability in Business Central online only.
- The same guide listed purchase order matching as unsupported. Microsoft’s September 30 message center post, RM573380 as mirrored by mc.merill.net, says matching now uses line amount and expected receipt date, with general availability in October 2026.
There’s also a gentle way in. In production, before the agent is activated, trial mode processes the first 50 invoices without billable credits, and nothing posts automatically. You review the drafts. After 50, the trial ends on its own.
What Does Automating AP Inside Dynamics GP Cost?
Nobody can print that number without looking at your setup, and we won’t invent one.
Here’s what we can say. In GP, AP automation usually means getting invoice data from outside GP into Payables Management, either through an integration built with tools such as eConnect or Integration Manager, or through a third-party AP automation product that connects to GP. The cost there tends to come from building and maintaining the connection and from any subscription for the AP tool, not from a per-invoice meter. Our post on automating accounts payable in Dynamics GP goes deeper, and the Bill.com integration is one example of the third-party route.
Argus says it has seen accounts payable departments cut data entry by 95% using scheduled integrations from an expense management system. That describes one kind of client, not a promise for yours.
Two limits apply to any approach. How invoices reach you matters, since a stack of scanned, mixed-format paper is harder for an agent and for an integration alike, while a vendor who emails a clean PDF every month is easy for both. And GP has a horizon. Microsoft’s Dynamics GP lifecycle page says support ends December 31, 2029, with security updates through April 30, 2031. The Argus 10-Year Commitment covers GP support through 2036. Either way, an integration built today should earn its keep over that window, which is arithmetic worth doing with your numbers. If you’d rather start with what your current setup already does, GP optimization is where we begin.

How Do You Compare the Two for Your Company?
Put the unknowns side by side before anyone quotes you anything.
| Question | Business Central agent | GP integration or AP tool |
|---|---|---|
| What you pay for | Credits used each month, plus per-user licenses | Build and upkeep of the connection, plus any tool subscription |
| What moves the cost | Invoice count, lines per invoice, backlog after a credit shortfall | Number of source systems, mapping complexity, GP version changes |
| What you can’t know up front | Real credits per invoice until you pilot | Scope until someone reviews your source system and mapping |
| Status risk | Payables Agent is generally available, Expense Agent is a preview | GP support ends December 31, 2029 |
Then collect the facts that make either quote meaningful.
- Invoices per month and lines per invoice, from the last 12 months
- The share that arrive as emailed PDFs
- Minutes spent per invoice today, from a one-week sample
- How many invoices need correction after entry
- Who reviews the drafts, and when volume spikes at month-end
The math is simple. Hours back equals invoices times minutes saved per invoice, divided by 60. Multiply by your loaded hourly cost, subtract the credit cost and the review time that stays, and you have a monthly figure. Minutes saved comes from a pilot, not a vendor slide.
When Doesn’t This Comparison Matter?
If your invoices come in on paper or through a vendor portal instead of emailed PDFs, the Payables Agent as documented isn’t a fit. If you process a few dozen invoices a month, the credit bill is small and the setup effort decides. And if you’re already planning a move, Business Central migration turns the question from which option is cheaper into when to switch, and the credit math above becomes a budget line instead of a comparison. We’d rather you decide on your own numbers.
What’s the Next Step?
Pull 12 months of AP volume and fill in the table above. If you want help getting those numbers out of GP, a free assessment is the low-pressure place to start, and it covers staying on GP, optimizing it, or moving later. You can also call (626) 403-9744.
Questions Finance Teams Ask About AI Invoice Costs
Do Business Central AI agents cost extra on top of the license?
Yes, for the Payables Agent. Microsoft’s pricing page says it requires Copilot Credits, sold separately from the Essentials and Premium plans. You also need an Azure subscription to use agents.
Can we try the Payables Agent before paying?
Briefly. Microsoft’s setup page says trial mode processes the first 50 invoices without billable credits, and nothing posts automatically while it runs.
What happens when the credits run out?
The agent keeps running but stops taking new invoices from the monitored mailbox. When credits return, it works through every unread invoice that piled up, which can use a large share of the renewed credits. Deactivating the agent before credits run out prevents that automatic restart, per Microsoft’s setup page.
Is $0.65 an invoice a number I can budget on?
Only as a placeholder. It comes from one partner’s formula applied to a 3-line invoice at $0.01 a credit, and Microsoft doesn’t confirm the formula. Run a one-week pilot on your own invoices and use that figure.
Is there an AI invoice agent for Dynamics GP?
We haven’t found a Microsoft announcement of one. GP gets AP automation through integrations and third-party tools, and what it costs depends on your scope.
Does the Expense Agent work outside the US?
Not yet, as far as Microsoft’s release plan shows. It lists a public preview in English for the US only, with Australia, New Zealand, and the UK to follow in July 2026. We didn’t confirm those rollouts.