On 2026-03-18 23:46:01, “Google AI Studio” wrote:
Review your usage to better manage your billing.
Hello Robert,
We're writing to notify you of updates to Google AI Studio Usage Tiers and
the introduction of enforced billing account tier caps for the Gemini API
starting April 1, 2026.
Review these changes and how they may impact your API usage.
Key changes:
Starting March 16, 2026:
New Project Spend Caps: You can now configure optional, project-level spend
limits. If a project exceeds your defined target, the system will pause
requests for that specific project within approximately 10 minutes. Please
note that you are responsible for any overages incurred during this brief
window.
Paused projects will resume as soon as the limits reset on the first day of
the following month, or you update/remove the cap.
Starting April 1, 2026:
Enforced billing account tier caps: Each Usage Tier will enforce a maximum
monthly spend limit at the billing account level. If your aggregate