Microsoft rebuilds Copilot around Home, Code and Autopilot and splits billing between subscription and usage

Sources: primary, discussion, discussion
Summary: Microsoft published the announcement on 2026-09-25, organising Copilot around three surfaces, Home, which holds the Cowork agentic workspace, Code, and Autopilot, which the post says was previously called Scout. The same announcement covers Office in Copilot, a Copilot Managed Runtime, a unified plugin registry, and agent cost management in Agent 365.
Why it matters: Chat stays covered by the fixed subscription licence while agentic work in Cowork, Code and Autopilot is billed by usage, so Copilot cost control becomes an ongoing admin task rather than a fixed line item.
Follow-up: Track the per-action prices for the usage-billed surfaces, which the announcement does not publish.