Amazon S3 vs MinIO AIStor

Amazon S39.3Visit MinIO AIStor8.7Visit

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

vs

MinIO AIStor #7 in Object Storage Services 8.7/10 Free plan · pricing on request · 60-day trial Free planFree trial✓ 4 of 4 features Visit MinIO AIStor

• Amazon S3 fits best

  Enterprise AWS-native object storage

• MinIO AIStor fits best

  Enterprise self-hosted S3 storage

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Side by side

Feature	Amazon S3 9.3/10 Visit ↗	MinIO AIStor 8.7/10 Visit ↗
At a glance
Editor score	9.3	8.7
Ranking	#2 in Object Storage Services	#7 in Object Storage Services
Best for	Enterprise AWS-native object storage	Enterprise self-hosted S3 storage
Pricing model	Paid	Free plan + paid
Starting price	$0.02/mo	—
Free plan	—	✓ (best)
Free trial	—	60 days
Deployment	Cloud	Cloud, Desktop, Self-hosted
Platforms	Web	Web, Linux, Windows, macOS
Integrations	8 integrations	9 integrations
Features Amazon S3 4/4 · MinIO AIStor 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	S3 compatibility with Apache Iceberg tables and SFTP access WORM retention, KMS encryption, IAM, audit logs, and monitoring Cross-site replication supports distributed object-storage deployments
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	Free is limited to a single-node deployment Enterprise Lite and Enterprise use contact-sales pricing Paid support and multi-node scale require an enterprise tier
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 →	MinIO AIStor is a self-hosted object storage platform for enterprises running AI, analytics, and other data-intensive workloads. It provides S3-compatible storage for models, datasets, documents, checkpoints, embeddings, media, and logs,… 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

• MinIO AIStor — where it wins

  • S3 compatibility with Apache Iceberg tables and SFTP access
  • WORM retention, KMS encryption, IAM, audit logs, and monitoring
  • Cross-site replication supports distributed object-storage deployments

  Where it doesn't

  • Free is limited to a single-node deployment
  • Enterprise Lite and Enterprise use contact-sales pricing
  • Paid support and multi-node scale require an enterprise tier

• 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 →
• MinIO AIStor8.7/10 · Free plan · pricing on request · 60-day trial

  A self-hosted S3 platform with broad controls, replication, and a free single-node tier.

  Visit MinIO AIStorFull verdict →