Comparison

Amazon S3 vs MinIO

No clear leader: MinIO (62.5) and Amazon S3 (59.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Amazon S360
MinIO63
Score
vioscaleAI score
Amazon S360 / 100medium · 73%
MinIO63 / 100low · 41%
Pricing
Free tier
Amazon S3✓
MinIO✓
Model
Amazon S3freemium
Price level
Amazon S3low
MinIOlow
Starting price
Amazon S3$0.03
MinIO–
Transparent
Amazon S3✓
MinIO✗
Integrations
Count
Amazon S319
MinIO4
Security
Certifications
Amazon S3–
Disclosure policy
Amazon S3✓
MinIO–
Fedramp
Amazon S3✓
MinIO–
Gdpr
Amazon S3✓
MinIO✓
Hipaa
Amazon S3✓
MinIO✓
Iso27001
Amazon S3–
MinIO✓
Pci
Amazon S3✓
MinIO✓
Soc2
Amazon S3–
MinIO✓
Reliability
Sla pct
Amazon S399.99
MinIO–
Content
Faq
Amazon S36 items
MinIO7 items

Capabilities

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

Capabilities
S3 API compatible
Amazon S3✓
MinIO✓
Storage tiering
Amazon S3✓
MinIO-
Multi region replication
Amazon S3✓
MinIO✓
Erasure coding
Amazon S3-
MinIO✓
Object versioning
Amazon S3✓
MinIO-
Object lock immutability
Amazon S3✓
MinIO✓
Encryption at rest
Amazon S3✓
MinIO✓
Customer managed keys
Amazon S3✓
MinIO✓
Free or discounted egress
Amazon S3✓
MinIO-
Open source
Amazon S3-
MinIO✓
CDN integration
Amazon S3-
MinIO-

What each one is

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

Amazon S3

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

MinIO

A commercially licensed object storage system designed to unify data for analytics, AI applications, and intelligent agents across multiple deployment environments. AIStor scales from single-node development to unlimited enterprise deployments with built-in replication, encryption, lifecycle management, and support for Apache Iceberg data lakes.

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

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 verify ↗

MinIO

HybridFree tier60-day trial

Free tier (single-node, ≤400 TiB). Enterprise Lite and Enterprise subscriptions priced on usable capacity with volume discounts.

  • FreeFree
    • Full AIStor feature set
    • Community Slack support
    • Documentation support
  • Enterprise LiteContact sales
    • Multi-node horizontally scalable
    • Lite SUBNET subscription
    • Health diagnostics and security reporting
    • Optional add-on: direct-to-engineer support with <5 day SLA
  • EnterpriseContact sales
    • Unlimited scale
    • Enterprise SUBNET subscription
    • Health diagnostics, security reporting, team governance
    • Proactive 24/7/365 direct-to-engineer support
    • <4 hour SLA and Panic Button
    • +1 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Amazon S3✓
MinIO✗
Linux
Amazon S3✗
MinIO✓
CLI
Amazon S3✗
MinIO✓
Deployment
Cloud / SaaS
Amazon S3✓
MinIO✓
Self-hosted
Amazon S3✗
MinIO✓
On-premise
Amazon S3✗
MinIO✓
Hybrid
Amazon S3✗
MinIO✓

Integrations

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

In common (1)
  • Apache Iceberg

Amazon S3

19 total - 18 not shared
  • Dremio
  • DuckDB
  • 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

MinIO

14 total - 13 not shared
  • S3
  • S3 Express
  • SFTP
  • Delta Lake
  • Databricks OpenSharing
  • Delta Sharing
  • Unity Catalog
  • Kubernetes
  • Spark
  • NVIDIA STX
  • Ray
  • Databricks
  • Apache Hudi
Independently observed
Still deciding?

Amazon S3 or MinIO: 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.