Microsoft 365 Copilot License Cost in 2026: What You Actually Pay
List prices for Copilot Enterprise and Business, the base license you also need, and how idle seats quietly double your real cost per active user.
Microsoft 365 Copilot is usually the first AI line item that finance sees at scale, because it is billed per seat to large groups of employees. The list price is simple. What you actually pay per person who uses it is not.
The list prices (October 2026)
| Plan | Price per user per month | Billing | Who it is for |
|---|---|---|---|
| Microsoft 365 Copilot (enterprise add-on) | $30.00 | Paid yearly | Organizations on Microsoft 365 E3, E5 and similar plans |
| Microsoft 365 Copilot Business (add-on) | $21.00 list, $18.00 promotional | Paid yearly | Existing Microsoft 365 Business plan customers |
| Microsoft 365 Copilot Business (add-on) | $25.20 | Paid monthly | Same, without an annual commitment |
| Business Standard with Copilot (bundle) | $23.50 | Paid yearly | Small and mid-size businesses |
| Business Premium with Copilot (bundle) | $32.00 | Paid yearly | Small and mid-size businesses that need advanced security |
Microsoft lists the enterprise add-on at $30.00 per user per month, paid yearly. The Business add-on lists at $21.00, with a promotional $18.00 for the first year on annual plans bought between July 1 and December 31, 2026. Prices are list prices in US dollars; your checkout, currency and agreement can differ.
The cost that is not on the price list
- A base license is required. Copilot is an add-on. Each user needs a qualifying Microsoft 365 plan underneath it, so the true cost per Copilot user is the add-on plus the base license.
- Monthly billing costs more. On the Business add-on, monthly billing is $25.20 against $21.00 on an annual term, a 20% premium for flexibility.
- Agents are metered separately. Microsoft notes that agents require an Azure subscription and are billed by usage, outside the per-seat price.
- Idle seats cost the same as active ones. A seat assigned to someone who never opens Copilot is billed exactly like a seat used every day.
A worked example: the real price per active user
Take 500 employees on the enterprise add-on: 500 × $30 × 12 = $180,000 a year in Copilot licenses alone. Now assume, for illustration, that 40% of those seats show little or no use after the rollout. You still pay $180,000, but only 300 people use the product. Your real cost is $50 per active user per month, not $30.
The same math works in reverse. Reclaiming 200 idle seats saves 200 × $30 × 12 = $72,000 a year, without touching anyone who actually uses Copilot.
How to keep Copilot spend under control
- Track active use per seat, monthly. Microsoft 365 provides Copilot usage reporting; review it every month, not only at renewal.
- Give every seat an owner. Map each license to a department and a team, so the department head sees the cost of their own seats.
- Set a reclaim rule. For example: no Copilot activity in 60 days means the seat goes back to the pool. Agree on the rule with IT and HR before you enforce it.
- Count seats and tokens together. Copilot seats, ChatGPT seats, coding assistants and API usage are all AI spend. Budgeting them separately hides the total.
How KeepAir helps
KeepAir counts Microsoft 365 Copilot seats alongside every other AI vendor, maps each seat to a department, team and person through Microsoft Entra, and flags idle seats with the monthly dollar figure attached. Owners see their own number against their own budget, and finance sees one total for all AI spend.