Microsoft will switch on usage-based billing by default for new Microsoft 365 Copilot Business licences bought through its partner channel from December 1, 2026, the company says in its Partner Center announcement. The seat licence itself does not change, and existing subscriptions are untouched. What changes is that a new licence will arrive with a meter already running: advanced AI work will be billed through Copilot Credits, with a default spending limit that administrators can adjust, including down to zero.
What changes on December 1
The change applies to new Microsoft 365 Copilot Business purchases made through the Cloud Solution Provider programme, whether standalone or bundled. Pay-as-you-go becomes the default billing configuration, replacing a setup in which customers had to enable usage billing themselves. Microsoft says new licences will include the Azure subscription setup that usage billing needs.
Three kinds of work will draw on the meter. Microsoft names Copilot Cowork, the agent that runs multi-step jobs end to end, Work IQ application programming interfaces for custom apps and agents, and the GitHub Copilot Harness. Everyday Copilot chat and standard features covered by the seat licence are not metered.
Each user will carry a default spending limit of 4,000 Copilot Credits per month. Microsoft’s example puts a 100-user customer at up to 400,000 credits a month under that default. At one cent per credit on pay-as-you-go, the ceiling is as much as 40 dollars per user per month on top of the seat, though customers pay for credits used.
Administrators keep control of the meter. They can adjust the default limit, narrow spending policies to specific groups, and watch consumption in the admin center. Partners can also set a limit to zero, which stops the spend altogether, though doing so also removes access to the experiences that need usage billing.
A date that moved, and markets that wait
December 1 is a revision. Microsoft first set the switch for November 2, then moved it by a month in an October 1 announcement updated on October 14, giving partners time to prepare. Partner Center sandbox environments for testing open on November 2, and usage is billed a month in arrears, so December use should first appear on January invoices.
Not every market joins at launch. Microsoft says the change will initially not be available in eleven markets, including Australia, France, Germany, India, Italy, the Netherlands, Poland and Spain, with more information promised as availability expands. Direct purchases follow a separate timetable, so buyers should confirm which channel and date applies to their own licence.
Our read: the seat stops being the whole price
Microsoft’s chief executive has described the shift as moving beyond per-seat pricing to per-seat-plus-consumption. The seat still buys everyday Copilot, but the expensive work, long-running agents and frontier models, now has its own bill. That reflects cost more honestly, since a heavy agent user costs more to serve than a light one.
The danger is not the meter but the default. A licence arriving with spending enabled and a limit the buyer did not set can surprise a finance team when the bill lands a month later. Microsoft says three in four Copilot Business customers sold through partners have no Azure footprint, so buyers meet usage billing for the first time here.
Why It Matters
For small and mid-sized businesses, Copilot Business’s core market of up to 300 users, the change turns a subscription into a variable cost to govern like a utility bill. Administrators can set spending policies and alerts, but only if they act before licences start arriving with the default. Partners should be telling customers now, not when the invoice lands.
For the market, Microsoft’s move pairs with OpenAI’s December metering change and confirms the labs are converging on one model: a seat for access, a meter for heavy work. The labs differ in the unit, credits here, tokens there, and in where they draw the line between included and metered features. Buyers should compare the meter as the seat.
Background
Copilot Business is Microsoft’s AI assistant for organisations, priced per seat since launch, even as adoption has surged. Usage-based billing for advanced features arrived earlier in 2026 for customers who chose it, and Microsoft reported GitHub Copilot’s margins improved after its move to usage pricing. December 1 extends that model to every partner-channel purchase, by default rather than by choice.
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