Charges for an OSS accelerator are based on its provisioned capacity and usage duration.
This topic describes the billable items and billing methods. For pricing details, see OSS Pricing.
Billable items
Billable item | Billing rule | Billing cycle | Billing method |
OSS accelerator (AcceleratorCacheSize) | Charged based on the provisioned capacity and usage duration. Important You are charged for the provisioned capacity of an OSS accelerator, regardless of the amount of data stored. For example, if you provision 100 GB of accelerator capacity and prefetch 50 GB of data into the accelerator, you are charged for 100 GB. | Billed hourly. Bills are typically generated after the current billing cycle ends. The exact time when bills are generated may vary. |
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Billing examples
Example 1: Development workflow
A user provisions a 50 GB OSS accelerator in the China (Beijing) region at 08:00 on July 1, 2025, to accelerate inference model files and improve the loading speed of text-to-image models during work hours. The user deletes the accelerator at 17:30 on the same day.
Actions | Billable item | Billable item code | Unit price | Billed quantity | Daily fee |
| OSS accelerator cache capacity | AcceleratorCacheSize | CNY 0.7 per GB/month (CNY 0.000972 per GB/hour) | 50 GB × 9.5 hours | 50 × 9.5 × 0.000972 = CNY 0.462 |
Example 2: Scaling for peak traffic
A user has a 1,024 GB accelerator. At 17:30 on July 1, 2025, the user scales up the capacity to 2,048 GB to handle peak traffic in the China (Beijing) region. At 22:00 on the same day, the capacity is restored to 1,024 GB.
Actions | Billable item | Billable item code | Unit price | Billed quantity | Daily fee |
| OSS accelerator cache capacity | AcceleratorCacheSize | CNY 0.7 per GB/month (CNY 0.000972 per GB/hour) | 1,024 GB × 19.5 hours 2,048 GB × 4.5 hours | (1,024 × 19.5 + 2,048 × 4.5) × 0.000972 = CNY 28.367 |
Related documents
To query hourly metering data for OSS, see Query OSS hourly data.
For more information about the billing details of the billable items, see Query bills.