There is an important update coming to Google Cloud’s billing model for spend-based CUDs. Google Cloud customers will be moved to the new spend-based CUD billing model, which will start taking effect for some customers as soon as July 15, 2025 and is expected to be in full effect for all customers by January 21, 2026.
What you need to know
Google Cloud is phasing out the use of credits to reflect spend-based CUD savings. Instead, savings will be represented through discounted prices shown directly on your bill. This change simplifies billing, expands discount applicability (additional Cloud Run SKUs, H3 VMs, etc.), and introduces updates to the BigQuery billing export schema.
When does this take effect?
Changes to the billing model will start taking effect for new customers on July 15th. For existing customers, the timeline for when to expect change depends on a few scenarios. Here’s some important information to know directly from Google Cloud:
The changes will take effect on the following dates, depending on which scenario applies.
For New customers:
If you create a Billing Account on or after July 15, 2025, the new billing model applies to you for spend-based CUDs in this list.
Customers without active spend-based CUDs in this list since July 15, 2024
For Billing Accounts with no active spend-based CUDs in this list since July 15, 2024, the new model applies on July 15, 2025, at midnight US and Canadian Pacific Time (UTC-8).
Customers with active spend-based CUDs in this list since July 15, 2024
For Billing Accounts with any active spend-based CUDs in this list on or after July 15, 2024, the new model applies on January 21, 2026 at midnight US and Canadian Pacific Time (UTC-8). You can opt in earlier, starting July 15, 2025. In that case, the new model applies when you click opt-in.
What you need to do
In order for ProsperOps to continue with Active Discount Management for GCP, we ask that you *do not* opt into the new billing export until we support it (which we are targeting for Q3). If you do, this will preclude us from managing discounts.
Note that we are working to support this ASAP and will communicate when we provide full sport.
What we’re doing
We’re actively developing support for the upcoming spend-based CUD billing model. Our priority is to ensure our optimization algorithms continue to function seamlessly throughout this transition.
Recommended Action
Please refrain from opting into the new billing model at this time. We’ll notify you as soon as full support is in place to ensure a seamless transition.