Amazon S3
Amazon S3: Deep AWS-native object storage with powerful controls, replication, and usage-based pricing. Ranked #2 of 150 in Object Storage Services by our editors (9.3/10); pricing: From $0.02/mo; best for enterprise AWS-native object storage.
At a glance
- Editor score9.3 / 10
- PricingFrom $0.02/mo
- Best forEnterprise AWS-native object storage
- Free planNo
- Paid from$0.02/mo
- S3 compatibilityYes
- Facts checked20 Sep 2026
Where it wins
- Cross-Region Replication, versioning, and Object Lock retention controls
- Storage classes and lifecycle rules support archiving and deletion workflows
- REST API, SDK, CLI, console, and broad AWS service integrations
Where it doesn't
- No free plan is available
- Pricing varies by region, storage class, requests, and data transfer
- Its broad feature set is centered on AWS services and tooling
Our verdict on Amazon S3
Amazon S3 is a cloud object storage service built around buckets for storing, organizing, protecting, and retrieving data. It suits organizations managing applications, data lakes, backups, archives, analytics workloads, and content delivery. Access is available through the AWS Management Console, REST API, command-line tools, and SDKs, with support for web and API workflows. S3 also supports S3-compatible access, object versioning, metadata, tags, access controls, and objects ranging from zero to 50 TB.
Pricing follows a pay-as-you-go model rather than a free plan. The listed first-tier S3 Standard storage price is $0.023 USD per GB per month, while the final bill varies by AWS Region, storage class, usage tier, requests, data transfer, and enabled capabilities. Multiple storage classes, including Standard and Glacier classes, let teams align storage with access and retention needs. Lifecycle rules can automate transitions, archiving, and deletion, helping shape how stored data is managed over time.
S3’s strongest fit is for teams that need more than basic file storage. Same-Region and Cross-Region Replication support distributed data workflows, while Object Lock provides retention periods and legal holds. S3 Select supports querying, with integrations for Amazon Athena and Amazon Redshift Spectrum; S3 Object Lambda supports data transformation. The surrounding AWS ecosystem includes Lambda, CloudFront, Storage Gateway, DataSync, Transfer Family, and AWS SDKs. Choose S3 when deep AWS integration and object-storage controls matter. Consider a simpler service when a free plan or a more narrowly scoped storage experience is the priority.
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Amazon S3 pricing
Amazon S3 fact sheet
| Free plan | No |
|---|---|
| Paid from | $0.02/mo |
| S3 compatibility | Yes |
| Max object size | 50000 GB |
| Object versioning | Yes |
| Lifecycle rules | Yes |
| Object immutability | Yes |
| Replication scope | Cross-region |
| Deployment | Cloud |
| Platforms | Web |
| Integrations | 8 integrations: AWS Lambda, Amazon Athena, Amazon Redshift Spectrum, Amazon CloudFront, AWS Storage Gateway, AWS DataSync … |
| Pricing | From $0.02/mo (source) |
| Website | aws.amazon.com |
| Facts checked | 20 Sep 2026 |
Amazon S3 integrations
Amazon S3 lists 8 integrations on its own site.
- AWS Lambda
- Amazon Athena
- Amazon Redshift Spectrum
- Amazon CloudFront
- AWS Storage Gateway
- AWS DataSync
- AWS Transfer Family
- AWS SDKs
Alternatives to Amazon S3
- Google Cloud StorageA broad object storage service for teams that need cloud integrations and control.9.4
- Alibaba Cloud Object Storage Service (OSS)A low-cost object storage service with broad lifecycle, replication, and retention controls.9.1
- Oracle Cloud Infrastructure Object StorageA capable general-purpose object store, especially for OCI users and S3-compatible workflows.9.0
See all Amazon S3 alternatives →
Amazon S3 vs the competition
- Amazon S3 vs Google Cloud Storage
- Amazon S3 vs Alibaba Cloud Object Storage Service (OSS)
- Amazon S3 vs Oracle Cloud Infrastructure Object Storage
- Amazon S3 vs Yandex Object Storage
- Amazon S3 vs Backblaze B2 Cloud Storage
- Amazon S3 vs MinIO AIStor
Compare Amazon S3 with any tool side by side →
Also Ranked In
Amazon S3 is ranked in 3 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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