Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Object Storage Services

Alibaba Cloud Object Storage Service (OSS) vs SeaweedFS

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Alibaba Cloud Object Storage Service (OSS) #3 in Object Storage Services 9.1/10 Free plan · paid from $0.00/mo Free plan✓ 4 of 4 features Visit site
SeaweedFS #8 in Object Storage Services 8.6/10 Free plan Free plan✓ 4 of 4 features Visit SeaweedFS

Alibaba Cloud Object Storage Service (OSS) leads on 0 checks, SeaweedFS on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAlibaba Cloud Object Storage Service (OSS) · 9.1/10
  • Free planboth

Alibaba Cloud Object Storage Service (OSS) scores higher on our rubric for object storage services: 9.1 against 8.6 out of 10; our editors rank them #3 and #8.

Alibaba Cloud Object Storage Service (OSS) is the better fit for low-cost S3-compatible storage. SeaweedFS is the better fit for open-source storage with file and data-lake access.

  • Alibaba Cloud Object Storage Service (OSS) fits best

    Low-cost S3-compatible storage

  • SeaweedFS fits best

    Open-source storage with file and data-lake access

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Alibaba Cloud Object Storage Service (OSS) 9.1/10 Visit ↗ SeaweedFS 8.6/10 Visit ↗
At a glance
Editor score 9.1 8.6
Ranking #3 in Object Storage Services #8 in Object Storage Services
Best for Low-cost S3-compatible storage Open-source storage with file and data-lake access
Pricing model Free plan + paid Free plan + paid
Starting price $0.00099/mo $20/GB/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Mobile Desktop, Self-hosted
Platforms Web, Windows, macOS, Linux, iOS, Android Linux, macOS, Windows
Integrations 8 integrations 14 integrations
Features Alibaba Cloud Object Storage Service (OSS) 4/4 · SeaweedFS 4/4
S3 compatibility ✓ ✓
Object versioning ✓ ✓
Lifecycle rules ✓ ✓
Object immutability ✓ ✓
Specs
Max object size Not checked yet Not checked yet
Replication scope Cross-region Cross-region
Our review
Pros
  • Lowest listed starting price with a free plan
  • Storage classes from Standard to Deep Cold Archive
  • Versioning, lifecycle rules, WORM retention, and replication
  • S3-compatible API plus POSIX and FUSE file access
  • Versioning, lifecycle rules, Object Lock, and replication
  • Kubernetes support with Helm and CSI integration
Cons
  • Pricing varies by region, storage class, billing method, and usage
  • Not offered as open-source software
  • Best ecosystem fit is centered on Alibaba Cloud integrations
  • Free use is limited to development and testing under 25 TB
  • Production deployments require a paid license
  • Enterprise pricing is custom for 5 PB and above
Our verdict

Alibaba Cloud Object Storage Service (OSS) stores files and other data as objects in buckets. It is designed for websites, mobile applications, backups, archives, data lakes, analytics, and media workloads. OSS supports web, desktop,…

Read the review →

SeaweedFS is a self-hosted distributed storage system for teams that need object, file, and data-lake access in one deployment. It provides an S3-compatible object storage API, POSIX and FUSE access, HDFS compatibility, WebDAV, and Iceberg…

Read the review →
  1. Alibaba Cloud Object Storage Service (OSS)Object Storage Services 9.1Free plan · paid from $0.00/mo
  2. SeaweedFSObject Storage Services 8.6Free plan

Strengths and trade-offs

  • Alibaba Cloud Object Storage Service (OSS) — where it wins

    • Lowest listed starting price with a free plan
    • Storage classes from Standard to Deep Cold Archive
    • Versioning, lifecycle rules, WORM retention, and replication

    Where it doesn't

    • Pricing varies by region, storage class, billing method, and usage
    • Not offered as open-source software
    • Best ecosystem fit is centered on Alibaba Cloud integrations

  • SeaweedFS — where it wins

    • S3-compatible API plus POSIX and FUSE file access
    • Versioning, lifecycle rules, Object Lock, and replication
    • Kubernetes support with Helm and CSI integration

    Where it doesn't

    • Free use is limited to development and testing under 25 TB
    • Production deployments require a paid license
    • Enterprise pricing is custom for 5 PB and above
  • Alibaba Cloud Object Storage Service (OSS)9.1/10 · Free plan · paid from $0.00/mo

    A low-cost object storage service with broad lifecycle, replication, and retention controls.

    Visit siteFull verdict →
  • SeaweedFS8.6/10 · Free plan

    A flexible open-source storage system for teams that need S3 and file access.

    Visit SeaweedFSFull verdict →

More comparisons

All object storage services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update