Comparison

Amazon S3 vs SeaweedFS

On the evidence we track, Amazon S3 leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Amazon S3 full profile →SeaweedFS full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

★Amazon S360

SeaweedFS53

Attribute comparison across 2 tools
Attribute	Amazon S3Leader	SeaweedFS
vioscaleAI score	60 / 100medium · 73%	53 / 100low · 28%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	free
Starting pricepricing.starting_price	$0.03	-
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	19	6
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Trust centersecurity.trust_center	https://aws.amazon.com/compliance/?nc2=h_dsc_aa_cmp	https://github.com/security
Vulnerabilitiessecurity.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
Reliability
Sla pctreliability.sla_pct	99.99	-
Adoption
Dependent reposadoption.dependent_repos	-	1
Github starsadoption.github_stars	-	35,465
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	5
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Go
Market
Availabilitymarket.availability	Available worldwide	Available worldwide
Content
Faqcontent.faq	6 items	6 items

Score

vioscaleAI score

Amazon S360 / 100medium · 73%

SeaweedFS53 / 100low · 28%

Pricing

Free tier

Amazon S3✓

SeaweedFS✓

Model

Amazon S3freemium

SeaweedFScommercial

Price level

Amazon S3low

SeaweedFSfree

Starting price

Amazon S3$0.03

SeaweedFS–

Transparent

Amazon S3✓

SeaweedFS✓

Integrations

Count

Amazon S319

SeaweedFS6

Security

Disclosure policy

Amazon S3✓

SeaweedFS✓

Fedramp

Amazon S3✓

SeaweedFS–

Gdpr

Amazon S3✓

SeaweedFS–

Hipaa

Amazon S3✓

SeaweedFS–

Pci

Amazon S3✓

SeaweedFS–

Trust center

Amazon S3https://aws.amazon.com/compliance/?nc2=h_dsc_aa_cmp

SeaweedFShttps://github.com/security

Vulnerabilities

Amazon S3–

SeaweedFSCount: 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

Reliability

Sla pct

Amazon S399.99

SeaweedFS–

Adoption

Dependent repos

Amazon S3–

SeaweedFS1

Github stars

Amazon S3–

SeaweedFS35,465

Activity

Commits last 30d

Amazon S3–

SeaweedFS100

Release

Cadence days

Amazon S3–

SeaweedFS5

History

Amazon S3–

SeaweedFS20 items

License

Spdx

Amazon S3–

SeaweedFSApache-2.0

Language

Primary

Amazon S3–

SeaweedFSGo

Market

Availability

Amazon S3Available worldwide

SeaweedFSAvailable worldwide

Content

Faq

Amazon S36 items

SeaweedFS6 items

Capabilities

Feature-by-feature on the axes that matter for file storage. “-” means undocumented, not absent.

Capability comparison for 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	-	-

Capabilities

S3 API compatible

Amazon S3✓

SeaweedFS✓

Storage tiering

Amazon S3✓

SeaweedFS✓

Multi region replication

Amazon S3✓

SeaweedFS✓

Erasure coding

Amazon S3-

SeaweedFS✓

Object versioning

Amazon S3✓

SeaweedFS-

Object lock immutability

Amazon S3✓

SeaweedFS✓

Encryption at rest

Amazon S3✓

SeaweedFS-

Customer managed keys

Amazon S3✓

SeaweedFS-

Free or discounted egress

Amazon S3✓

SeaweedFS-

Open source

Amazon S3-

SeaweedFS✓

CDN integration

Amazon S3-

SeaweedFS-

What each one is

The product in its own terms, so the numbers below have context.

Amazon S3

Leader

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.

Independently observed

SeaweedFS

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon S3

Leader

from $0.03/gbUsage-basedFree tier

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.

S3 Standard-
- Full availability and durability guarantees
S3 Intelligent-Tiering-
- Automatic tiering between access tiers
- No retrieval charges
- Up to 80% cost reduction
S3 Tables$0.03 per gb
- Native Apache Iceberg support
- Automatic table compaction
- Higher transaction throughput
S3 Glacier Flexible Retrieval-
- Cost-effective archival storage
S3 Glacier Deep Archive-
- Deep archival for compliance and long-term retention
S3 Express One Zone-
- Fastest cloud object storage
- Single availability zone

as of 2026-08-19verify ↗

SeaweedFS

Open sourceFree tier

Free and open source (Apache license)

as of 2026-08-21verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Amazon S3	SeaweedFS
WebPlatforms	✓	✗
LinuxPlatforms	✗	✓
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓

Platforms

Web

Amazon S3✓

SeaweedFS✗

Linux

Amazon S3✗

SeaweedFS✓

CLI

Amazon S3✗

SeaweedFS✓

Deployment

Cloud / SaaS

Amazon S3✓

SeaweedFS✗

Self-hosted

Amazon S3✗

SeaweedFS✓

On-premise

Amazon S3✗

SeaweedFS✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (2)

Dremio
DuckDB

Amazon S3

Leader

19 total - 17 not shared

Apache Iceberg
HighByte Intelligence Hub
Ryft
AWS CloudFront
AWS Lambda
AWS API Gateway
AWS Analytics Services
AWS Bedrock
Asana
Brave Search API
Pokee AI
Tailscale
TrendAI Vision One
Orca Security
Cast AI
LucidLink
Vanta

Independently observed

SeaweedFS

16 total - 14 not shared

Apache Spark
Trino
RisingWave
AWS SDK
AWS CLI
Google Cloud Storage
Azure
Backblaze B2
Wasabi
Storj
Spark
rclone
restic
AWS S3

Independently observed

Still deciding?

Amazon S3 or SeaweedFS: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.