Head-to-head · Object Storage Services
Google Cloud Storage vs Backblaze B2 Cloud Storage
Google Cloud Storage leads on 0 checks, Backblaze B2 Cloud Storage on 1, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreGoogle Cloud Storage · 9.4/10
- Free planboth
Google Cloud Storage scores higher on our rubric for object storage services: 9.4 against 8.8 out of 10; our editors rank them #1 and #6.
Backblaze B2 Cloud Storage leads on max object size: 10000 GB versus 5120 GB.
Google Cloud Storage is the better fit for broad cloud object storage with strong integrations. Backblaze B2 Cloud Storage is the better fit for low-cost storage and backup integrations.
- Google Cloud Storage fits best
Broad cloud object storage with strong integrations
- Backblaze B2 Cloud Storage fits best
Low-cost storage and backup integrations
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Side by side
| Feature | Google Cloud Storage 9.4/10 Visit ↗ | Backblaze B2 Cloud Storage 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 8.8 |
| Ranking | #1 in Object Storage Services | #6 in Object Storage Services |
| Best for | Broad cloud object storage with strong integrations | Low-cost storage and backup integrations |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | Free plan | — |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Integrations | 10 integrations | 8 integrations |
| Features Google Cloud Storage 4/4 · Backblaze B2 Cloud Storage 4/4 | ||
| S3 compatibility | ✓ | ✓ |
| Object versioning | ✓ | ✓ |
| Lifecycle rules | ✓ | ✓ |
| Object immutability | ✓ | ✓ |
| Specs | ||
| Max object size | 5120 GB | 10000 GB (best) |
| Replication scope | Cross-region | Cross-region |
| Our review | ||
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| Cons |
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| Our verdict | Google Cloud Storage is a managed object storage service for organizations and developers. It stores data as objects in buckets and supports web-console, API, command-line, client-library, REST, XML, and gRPC access. Its storage options… Read the review → |
Backblaze B2 Cloud Storage is an always-hot object storage service for businesses, developers, IT teams, and individuals. It stores files in buckets accessible through a web interface, command-line tools, and APIs. The service is… Read the review → |
Strengths and trade-offs
Google Cloud Storage — where it wins
- Five storage classes, from Standard through Archive and Rapid
- Lifecycle rules, versioning, retention locks, and replication controls
- APIs, Terraform, gcloud CLI, gRPC, and S3-compatible access
Where it doesn't
- Usage-based pricing varies by class, location, and transfer
- The broad feature set may exceed simple storage requirements
- Advanced controls require choices around locations, keys, and replication
Backblaze B2 Cloud Storage — where it wins
- First 10GB of storage is always free
- S3 and native B2 APIs support application and backup workflows
- Object Lock, version retention, and cross-region replication included
Where it doesn't
- Feature breadth is narrower than the highest-ranked cloud platforms
- Free egress is limited to 3x average monthly storage
- The listed plan uses pay-as-you-go monthly billing
- Google Cloud Storage9.4/10 · Free plan
A broad object storage service for teams that need cloud integrations and control.
Visit Google CloudFull verdict → - Backblaze B2 Cloud Storage8.8/10 · Free plan
A low-cost object storage option with strong backup, retention, and replication features.
Visit BackblazeFull verdict →
More comparisons
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- Google Cloud Storage vs SeaweedFS
- Amazon S3 vs Backblaze B2 Cloud Storage
- Alibaba Cloud Object Storage Service (OSS) vs Backblaze B2 Cloud Storage
All object storage services comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






