Copilot Credits Buyer’s Briefing 2026

Microsoft has changed the unit of Copilot. The agentic surface — custom agents, autonomous workflows, Copilot Cowork — no longer bills per seat but per Copilot Credit, a metered currency whose effective rate swings a hundred-fold with how an agent is designed. This briefing gives buyers the method to forecast that spend from the bottom up, the rules for what each credit buys, and the terms to secure before a single agent goes live. It is written for the people who sign the agreement, not the people who sell it.

The patterns repeat across early Copilot rollouts. Agents are built without anyone pricing the design. Internal use cases that are free on the inclusion path get billed against capacity packs. Speculative AI forecasts harden a larger, longer commitment. Each is avoidable when you prepare early and hold your own numbers.

• A plain-language explanation of how the Copilot Credit meter replaced per-message billing in September 2025.
• The full credit rate card, from a one-credit scripted answer to a hundred-credit reasoning call, and how the costs stack.
• A bottom-up method to forecast credit spend per agent, validated against the Copilot Credits report.
• The three purchase paths compared — pay-as-you-go, prepaid packs, and pre-purchase — with the 125% enforcement trap.
• How pay-as-you-go and pre-purchase credits decrement your Azure MACC, for better and worse.
• The consumption terms to secure in writing before you route material AI spend through Microsoft.

• 01The consumption shift: messages became credits
• 02How the money works: the credit rate card
• 03The three ways to pay, and who should use which
• 04How credits touch your Azure commitment
• 05What to demand in writing
• 06Our recommendations