AI costs how much? GitHub Copilot users react to new usage-based pricing system (arstechnica.com) AI

Ars Technica reports that after GitHub moved Copilot from request-based billing to a usage-based “AI credits” system in June 2026, many users are seeing steep cost shocks—some say they can burn through a month’s quota in a day—because credit usage depends on input/output token counts and the selected model.