# Cloudflare R2 vs SeaweedFS

| Attribute | Cloudflare R2 | SeaweedFS |
|---|---|---|
| **vioscaleAI score** | 54.6 (21% (low)) | 52.6 (28% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 35,465 |
| content.faq | `[{"answer":"A cloud-based object storage service with S3-compatible APIs that eliminates data egress fees and vendor lock-in, integrating directly into Cloudflare's serverless and edge computing platform. It is indexed under File Storage.","source":"https://www.cloudflare.com/plans","question":"What is Cloudflare R2?","confidence":0.6},{"answer":"Cloudflare R2 offers a free tier, so you can start without paying. Paid plans start at $0.01. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.cloudflare.com/plans","question":"Is Cloudflare R2 free?","confidence":0.6},{"answer":"Cloudflare R2 supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.cloudflare.com/plans","question":"What platforms does Cloudflare R2 support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Cloudflare R2, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.cloudflare.com/plans","question":"Can Cloudflare R2 be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Cloudflare R2. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Cloudflare R2 not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.cloudflare.com/solutions/security","question":"What security certifications does Cloudflare R2 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 | A cloud-based object storage service with S3-compatible APIs that eliminates data egress fees and vendor lock-in, integrating directly into Cloudflare's serverless and edge computing platform. | 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 | `{"s3_api_compatible":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 | 1 | 6 |
| integrations.list | `[{"name":"AWS S3"},{"name":"Cloudflare Workers"}]` | `[{"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":true,"name":"Standard","summary":"Storage $0.015/GB/month (10GB free); Class A ops $4.50/M (1M free); Class B ops $0.36/M (10M free)","features":["S3-compatible API","Global distribution","Zero egress fees"],"components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.015,"period":"month","currency":"USD"},{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":4.5,"currency":"USD"},{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":0.36,"currency":"USD"}],"description":"Storage tier optimized for frequent access patterns","contactSales":false,"includedLimits":{"storage":"10 GB/month","class_a_operations":"1 million/month","class_b_operations":"10 million/month"}},{"free":false,"name":"Infrequent Access","summary":"Storage $0.01/GB/month; Class A ops $9.00/M; Class B ops $0.90/M; Data retrieval $0.01/GB","features":["Lower storage cost","Higher operation costs","Data retrieval fees"],"components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.01,"period":"month","currency":"USD"},{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":9,"currency":"USD"},{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":0.9,"currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.01,"period":"month","currency":"USD"}],"description":"Lower-cost tier for infrequently accessed data with retrieval fees","contactSales":false}],"summary":"Usage-based pricing. Standard: from $0.015/GB/month storage. Infrequent Access: from $0.01/GB/month. Free tier includes 10GB/month storage with per-operation allowances.","currency":"USD","freeTier":true,"sourceUrl":"https://www.cloudflare.com/plans","retrievedAt":"2026-10-12T15:29:33.672Z","startingPrice":{"unit":"GB","amount":0.01,"period":"month","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":0.01,"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"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.trust_center | https://www.cloudflare.com/solutions/security | 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 | Cloudflare R2 | 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 2026-10-16T17:47:52.816Z. "-" = undocumented, not absent.*