# Amazon S3 vs SeaweedFS

**Leader by vioscaleAI score:** Amazon S3

| Attribute | Amazon S3 | SeaweedFS |
|---|---|---|
| **vioscaleAI score** | 59.5 (73% (medium)) | 52.6 (28% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 35,465 |
| content.faq | `[{"answer":"Amazon S3 is a distributed cloud storage platform that allows organizations to store, retrieve, and manage any volume of data. It offers multiple storage classes optimized for different access patterns and use cases, along with built-in analytics, compliance controls, and security features. It is indexed under File Storage.","source":"https://aws.amazon.com/s3/pricing/?loc=ft","question":"What is Amazon S3?","confidence":0.6},{"answer":"Amazon S3 offers a free tier, so you can start without paying. Paid plans start at $0.03. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://aws.amazon.com/s3/pricing/?loc=ft","question":"Is Amazon S3 free?","confidence":0.6},{"answer":"Amazon S3 supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://aws.amazon.com/s3/pricing/?loc=ft","question":"What platforms does Amazon S3 support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Amazon S3, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://aws.amazon.com/pricing/?nc2=h_pr_hub","question":"Can Amazon S3 be self-hosted?","confidence":0.6},{"answer":"We have confirmed 19 integrations for Amazon S3, including Apache Iceberg, Dremio, DuckDB, HighByte Intelligence Hub, Ryft, AWS CloudFront, AWS Lambda and AWS API Gateway, plus 11 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://aws.amazon.com/s3/pricing/?loc=ft","question":"What does Amazon S3 integrate with?","confidence":0.6},{"answer":"We have independently confirmed HIPAA and GDPR for Amazon S3. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Amazon S3 not holding them. Always confirm compliance directly before you rely on it.","source":"https://aws.amazon.com/trust-center/?nc1=f_cc","question":"What security certifications does Amazon S3 have?","confidence":0.7}]` | `[{"answer":"SeaweedFS is an open-source distributed storage system supporting S3-compatible object access, file systems, and analytics table formats. It combines tiered storage across local clusters and cloud providers, designed to efficiently handle billions of files with consistent O(1) access performance. It is indexed under File Storage.","source":"https://github.com/pricing","question":"What is SeaweedFS?","confidence":0.6},{"answer":"SeaweedFS is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is SeaweedFS free to use?","confidence":0.6},{"answer":"SeaweedFS supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does SeaweedFS support?","confidence":0.6},{"answer":"Yes. SeaweedFS can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can SeaweedFS be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for SeaweedFS, including DuckDB, Apache Spark, Trino, Dremio and RisingWave. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://github.com/pricing","question":"What does SeaweedFS integrate with?","confidence":0.6},{"answer":"Yes. SeaweedFS is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/seaweedfs/seaweedfs","question":"Is SeaweedFS open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | Amazon S3 is a distributed cloud storage platform that allows organizations to store, retrieve, and manage any volume of data. It offers multiple storage classes optimized for different access patterns and use cases, along with built-in analytics, compliance controls, and security features. | SeaweedFS is a distributed storage system that provides object storage with S3 API compatibility, POSIX file system support, and lakehouse capabilities. It enables constant-time read and write operations, cloud storage tiering, and transparent scaling by adding additional volume servers. |
| features.capabilities | `{"versioning":true,"storage_tiering":true,"object_lock_worm":true,"object_versioning":true,"s3_api_compatible":true,"encryption_at_rest":true,"lifecycle_policies":true,"event_notifications":true,"customer_managed_keys":true,"cross_region_replication":true,"multi_region_replication":true,"object_lock_immutability":true,"free_or_discounted_egress":true}` | `{"open_source":true,"erasure_coding":true,"storage_tiering":true,"s3_api_compatible":true,"multi_region_replication":true,"object_lock_immutability":true}` |
| integrations.count | 19 | 6 |
| integrations.list | `[{"name":"Apache Iceberg"},{"name":"Dremio"},{"name":"DuckDB"},{"name":"HighByte Intelligence Hub"},{"name":"Ryft"},{"name":"AWS CloudFront"},{"name":"AWS Lambda"},{"name":"AWS API Gateway"},{"name":"AWS Analytics Services"},{"name":"AWS Bedrock"},{"name":"Asana"},{"name":"Brave Search API"},{"name":"Pokee AI"},{"name":"Tailscale"},{"name":"TrendAI Vision One"},{"name":"Orca Security"},{"name":"Cast AI"},{"name":"LucidLink"},{"name":"Vanta"}]` | `[{"name":"DuckDB"},{"name":"Apache Spark"},{"name":"Trino"},{"name":"Dremio"},{"name":"RisingWave"},{"name":"AWS SDK","native":false,"direction":"bidirectional"},{"name":"AWS CLI","native":false,"direction":"bidirectional"},{"name":"Google Cloud Storage","native":false,"direction":"inbound"},{"name":"Azure","native":false,"direction":"inbound"},{"name":"Backblaze B2","native":false,"direction":"inbound"},{"name":"Wasabi","native":false,"direction":"inbound"},{"name":"Storj","native":false,"direction":"inbound"},{"name":"Spark","native":false,"direction":"bidirectional"},{"name":"rclone","native":false,"direction":"bidirectional"},{"name":"restic","native":false,"direction":"bidirectional"},{"name":"AWS S3","native":true,"category":"storage","direction":"bidirectional"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"S3 Standard","features":["Full availability and durability guarantees"],"description":"General-purpose storage with frequent access","contactSales":false},{"free":false,"name":"S3 Intelligent-Tiering","features":["Automatic tiering between access tiers","No retrieval charges","Up to 80% cost reduction"],"description":"Automatic cost optimization through access pattern monitoring","contactSales":false},{"free":false,"name":"S3 Tables","features":["Native Apache Iceberg support","Automatic table compaction","Higher transaction throughput"],"components":[{"per":{"qty":1,"unit":"gb"},"kind":"metered","note":"first 50 TB per month","amount":0.0265,"currency":"USD"}],"description":"Optimized for Apache Iceberg analytics","contactSales":false},{"free":false,"name":"S3 Glacier Flexible Retrieval","features":["Cost-effective archival storage"],"description":"Long-term archival with retrieval fees","contactSales":false},{"free":false,"name":"S3 Glacier Deep Archive","features":["Deep archival for compliance and long-term retention"],"description":"Lowest-cost archival storage with longer retrieval times","contactSales":false},{"free":false,"name":"S3 Express One Zone","features":["Fastest cloud object storage","Single availability zone"],"description":"Highest-performance storage class","contactSales":false}],"addOns":[{"name":"Management & Insights"},{"name":"Data Transfer"},{"name":"API Requests"}],"summary":"Usage-based pricing with metered storage (per GB), request charges (per 1,000 operations), and data transfer costs. Free tier includes $200 in AWS Free Tier credits for 6 months.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/s3/pricing/?loc=ft","retrievedAt":"2026-08-19T09:05:23.304Z","startingPrice":{"unit":"gb","amount":0.0265,"currency":"USD"},"billingPeriods":["month"]}` | `{"type":"open_source","summary":"Free and open source (Apache license)","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-21T12:42:19.339Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":0.0265,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 5 |
| release.history | - | `[{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.48","date":"2026-09-28T15:53:48Z","type":"stable","version":"4.48"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.47","date":"2026-09-14T01:31:59Z","type":"stable","version":"4.47"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.46","date":"2026-09-08T03:45:26Z","type":"stable","version":"4.46"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.45","date":"2026-08-31T23:21:06Z","type":"stable","version":"4.45"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.44","date":"2026-08-22T07:41:07Z","type":"stable","version":"4.44"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.43","date":"2026-08-21T07:19:10Z","type":"stable","version":"4.43"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.42","date":"2026-08-17T07:22:27Z","type":"stable","version":"4.42"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.41","date":"2026-08-06T07:52:24Z","type":"stable","version":"4.41"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.40","date":"2026-07-20T04:02:17Z","type":"stable","version":"4.40"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.39","date":"2026-07-10T04:30:04Z","type":"stable","version":"4.39"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.38","date":"2026-07-06T05:56:04Z","type":"stable","version":"4.38"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.37","date":"2026-06-29T06:48:06Z","type":"stable","version":"4.37"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.36","date":"2026-06-25T05:13:25Z","type":"stable","version":"4.36"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.35","date":"2026-06-22T07:32:15Z","type":"stable","version":"4.35"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.34","date":"2026-06-15T05:46:35Z","type":"stable","version":"4.34"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.33","date":"2026-06-11T07:59:39Z","type":"stable","version":"4.33"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.32","date":"2026-06-08T06:46:49Z","type":"stable","version":"4.32"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.31","date":"2026-06-02T06:36:45Z","type":"stable","version":"4.31"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.30","date":"2026-05-30T17:59:05Z","type":"stable","version":"4.30"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.29","date":"2026-05-26T05:57:10Z","type":"stable","version":"4.29"}]` |
| reliability.sla_pct | 99.99 | - |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.trust_center | https://aws.amazon.com/compliance/?nc2=h_dsc_aa_cmp | https://github.com/security |
| security.vulnerabilities | - | `{"count":7,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fseaweedfs%2Fseaweedfs&per_page=100","last_12m":6,"max_severity":"CRITICAL"}` |

## Capabilities (File Storage)

| Capability | Amazon S3 | SeaweedFS |
|---|:--:|:--:|
| **Capabilities** |  |  |
| S3 API compatible | ✓ | ✓ |
| Storage tiering | ✓ | ✓ |
| Multi region replication | ✓ | ✓ |
| Erasure coding | - | ✓ |
| Object versioning | ✓ | - |
| Object lock immutability | ✓ | ✓ |
| Encryption at rest | ✓ | - |
| Customer managed keys | ✓ | - |
| Free or discounted egress | ✓ | - |
| Open source | - | ✓ |
| CDN integration | - | - |

*Source: vioscaleAI. Generated 2026-10-16T21:29:33.599Z. "-" = undocumented, not absent.*
