GitHub Copilot Moves to Usage-Based Billing June 1, 2026 — The Math Predicts Structural Overage for Agentic Users

Correction — June 1, 2026:

When this article was first published May 27, 2026, I asserted that Microsoft had not published Copilot's per-Credit USD cost, per-feature consumption rates, or hard cap mechanism. All three were already published. The per-Credit rate (1 AI Credit = $0.01 USD) was in GitHub Docs since at least April 27, 2026, the day GitHub announced the transition. Per-token model breakdowns were in the same documentation. The hard cap mechanism — a user-settable $0 overflow budget that makes additional charges impossible — was documented and publicly discussed in GitHub's billing reference.

I missed all three. The original framing ("Microsoft has not published" / "the meter rate is unknown") was empirically wrong. The corrected analysis below uses the actual published rates and identifies the substantive consumer-protection concern that was always the real story: GitHub published transparent rates, but those rates predict that typical agentic Copilot workflows will exhaust monthly Credit allowances in a single working session, producing structural overage for any meaningful agentic user.