Amazon S3 vs Alibaba Cloud Object Storage Service (OSS)

Amazon S39.3Visit Alibaba Cloud Object Storage Service (OSS)9.1Visit

Higher score Amazon S3 #2 in Object Storage Services 9.3/10 From $0.02/mo ✓ 4 of 4 features Visit Amazon S3

vs

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

• Amazon S3 fits best

  Enterprise AWS-native object storage

• Alibaba Cloud Object Storage Service (OSS) fits best

  Low-cost S3-compatible storage

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Side by side

Feature	Amazon S3 9.3/10 Visit ↗	Alibaba Cloud Object Storage Service (OSS) 9.1/10 Visit ↗
At a glance
Editor score	9.3	9.1
Ranking	#2 in Object Storage Services	#3 in Object Storage Services
Best for	Enterprise AWS-native object storage	Low-cost S3-compatible storage
Pricing model	Paid	Free plan + paid
Starting price	$0.02/mo	$0.00099/mo (best)
Free plan	—	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud, Desktop, Mobile
Platforms	Web	Web, Windows, macOS, Linux, iOS, Android
Integrations	8 integrations	8 integrations
Features Amazon S3 4/4 · Alibaba Cloud Object Storage Service (OSS) 4/4
S3 compatibility	✓	✓
Object versioning	✓	✓
Lifecycle rules	✓	✓
Object immutability	✓	✓
Specs
Max object size	50000 GB	Not checked yet
Replication scope	Cross-region	Cross-region
Our review
Pros	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	Lowest listed starting price with a free plan Storage classes from Standard to Deep Cold Archive Versioning, lifecycle rules, WORM retention, and replication
Cons	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	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
Our verdict	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… Read the review →	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 →

Strengths and trade-offs

• Amazon S3 — 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

• 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

• Amazon S39.3/10 · From $0.02/mo

  Deep AWS-native object storage with powerful controls, replication, and usage-based pricing.

  Visit Amazon S3Full verdict →
• 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 →