Ceph
Ceph: A flexible self-hosted storage cluster for teams that can manage infrastructure. Ranked #11 of 150 in Object Storage Services by our editors (8.3/10); pricing: Free plan; best for open-source self-hosted object storage.
At a glance
- Editor score8.3 / 10
- PricingFree plan
- Best forOpen-source self-hosted object storage
- Free planYes
- Paid fromFree
- S3 compatibilityYes
- Founded2006
- Facts checked20 Sep 2026
Where it wins
- S3 and OpenStack Swift-compatible object storage APIs
- Versioning, lifecycle controls, and Object Lock retention modes
- Object, block, and file interfaces from one cluster
Where it doesn't
- Self-hosted deployment requires ongoing operational responsibility
- Storage clusters require configurable infrastructure and administration
- Focused on infrastructure teams rather than hosted-storage simplicity
Our verdict on Ceph
Ceph is an open-source distributed storage system for organizations that need object, block, and file storage from one cluster. It is deployed as self-hosted infrastructure and uses configurable storage clusters with commodity hardware. The Ceph Object Gateway supports REST interfaces compatible with a large subset of the Amazon S3 and OpenStack Swift APIs, making it a fit for infrastructure teams, private-cloud environments, and organizations seeking control over their storage deployment.
Its feature depth is strongest in storage lifecycle and data protection. Object storage includes bucket and object management, versioning, lifecycle expiration, storage-class transitions, and S3 Object Lock with governance and compliance retention modes. Multisite zones and zonegroups support cross-zone object synchronization and disaster recovery. These capabilities give Ceph a broader operational scope than an object-only service, particularly for teams that want object, block, and file interfaces within a unified cluster.
Ceph also fits established cloud and private-cloud ecosystems through Amazon S3-compatible clients, OpenStack Swift-compatible clients, AWS IAM, AWS SNS, AWS STS, and OpenStack Keystone. Its open-source deployment model supports free use, but the tradeoff is responsibility for infrastructure configuration, administration, replication design, and ongoing operations. Organizations that need self-hosted control and multiple storage interfaces should consider Ceph; teams that prefer a hosted service with less infrastructure management should choose a managed object-storage option instead.
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Ceph pricing
Ceph fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| S3 compatibility | Yes |
| Max object size | Not verified |
| Object versioning | Yes |
| Lifecycle rules | Yes |
| Object immutability | Yes |
| Replication scope | Cross-region |
| Deployment | Self-hosted |
| Integrations | 6 integrations: Amazon S3-compatible clients, OpenStack Swift-compatible clients, AWS IAM, AWS SNS, AWS STS, OpenStack Keystone |
| Pricing | Free plan |
| Website | ceph.io |
| Facts checked | 20 Sep 2026 |
Ceph integrations
Ceph lists 6 integrations on its own site.
- Amazon S3-compatible clients
- OpenStack Swift-compatible clients
- AWS IAM
- AWS SNS
- AWS STS
- OpenStack Keystone
Alternatives to Ceph
- Google Cloud StorageA broad object storage service for teams that need cloud integrations and control.9.4
- Amazon S3Deep AWS-native object storage with powerful controls, replication, and usage-based pricing.9.3
- Alibaba Cloud Object Storage Service (OSS)A low-cost object storage service with broad lifecycle, replication, and retention controls.9.1
Also Ranked In
Ceph is ranked in 5 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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