Object storage · head to head · checked 8 August 2026
AWS S3 vs Tencent Cloud COS
2 object storage offers from the two, side by side: what each plan includes, what it costs (for a reference workload of 100 GB stored and 200 GB downloaded a month), and where the price comes from.
AWS S3
from $11.30/mo
Standard · 1 plans listed
Tencent Cloud COS
from $16.10/mo
Standard (single-AZ) · 1 plans listed
Which is cheaper, AWS S3 or Tencent Cloud COS?
AWS S3's cheapest listed plan is Standard at $11.30/mo; Tencent Cloud COS's is Standard (single-AZ) at $16.10/mo. The price shown is for a reference workload of 100 GB stored and 200 GB downloaded a month.
How many object storage offers does each offer here?
We list 1 for AWS S3 and 1 for Tencent Cloud COS, each checked against the provider's own pricing page.
AWS S3
Everything from AWS S3Standardapprox
- Storage
- $0.023 per GB a month
- Egress
- $0.090 per GB
- Free tier
- First 100 GB/mo egress free (shared across all AWS services), then $0.09/GB
- Region
- us-east-1
Tencent Cloud COS
Everything from Tencent Cloud COSStandard (single-AZ)approx
- Storage
- $0.017 per GB a month
- Egress
- $0.072 per GB
- Free tier
- No free egress tier found for non-mainland regions. Storage rate confirmed official; egress rate reconstructed from a worked billing example, not a published rate table — treat as directional, not guaranteed current.
- Region
- Hong Kong / overseas
AWS S3 against the rest
Tencent Cloud COS against the rest