MinIO AIStor
MinIO AIStor: A self-hosted S3 platform with broad controls, replication, and a free single-node tier. Ranked #7 of 150 in Object Storage Services by our editors (8.7/10); pricing: Free plan · pricing on request · 60-day trial; best for enterprise self-hosted S3 storage.
At a glance
- Editor score8.7 / 10
- PricingFree plan · pricing on request · 60-day trial
- Best forEnterprise self-hosted S3 storage
- Free planYes
- S3 compatibilityYes
- Founded2014 · Redwood City, California, United States
- Facts checked20 Sep 2026
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
Our verdict on MinIO AIStor
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, while also supporting Apache Iceberg-native tables and SFTP file access. Deployments can run on Linux, Kubernetes, macOS, Windows, and container environments, making AIStor suitable for organizations that want control over where object storage operates.
The plan structure starts with AIStor Free, a no-cost option for a single-node deployment with the full-featured AIStor deployment and community Slack and documentation support. Enterprise Lite adds horizontally scalable multi-node deployment for capacity requirements below 400 TiB, with optional direct-to-engineer support. Enterprise also provides horizontally scalable multi-node deployment, plus Premium SUBNET support and 24/7/365 direct-to-engineer support. Paid tiers use contact-sales pricing, so the main purchasing distinction is between a free single-node deployment and supported enterprise deployments.
AIStor’s strongest fit is for teams that need more than basic bucket storage. Object versioning, lifecycle management, expiration rules, WORM object locking and retention, server-side encryption with KMS, identity and access management, audit logs, Prometheus metrics, and bucket, site, and multi-site replication cover storage governance and operational visibility. Integrations include the Amazon S3 API, S3 Express, Kubernetes, OpenID Connect, Active Directory/LDAP, Prometheus, OpenSharing, and Apache Iceberg. Organizations wanting a single-node starting point can use the Free plan; teams that need multi-node scale or direct engineering support should consider an enterprise tier.
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MinIO AIStor pricing
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MinIO AIStor fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| S3 compatibility | Yes |
| Max object size | Not verified |
| Object versioning | Yes |
| Lifecycle rules | Yes |
| Object immutability | Yes |
| Replication scope | Cross-region |
| Free trial | 60 days |
| Deployment | Cloud, Desktop, Self-hosted |
| Platforms | Web, Linux, Windows, macOS |
| Integrations | 9 integrations: Amazon S3 API, S3 Express, SFTP, Apache Iceberg, OpenSharing, Kubernetes … |
| Pricing | Free plan · pricing on request · 60-day trial (source) |
| Website | min.io |
| Facts checked | 20 Sep 2026 |
MinIO AIStor integrations
MinIO AIStor lists 9 integrations on its own site.
- Amazon S3 API
- S3 Express
- SFTP
- Apache Iceberg
- OpenSharing
- Kubernetes
- OpenID Connect
- Active Directory/LDAP
- Prometheus
Alternatives to MinIO AIStor
- Google Cloud StorageA broad object storage service for teams that need cloud integrations and control.9.4
- Amazon S3Deep AWS-native object storage with powerful controls, replication, and usage-based pricing.9.3
- Alibaba Cloud Object Storage Service (OSS)A low-cost object storage service with broad lifecycle, replication, and retention controls.9.1
See all MinIO AIStor alternatives →
MinIO AIStor vs the competition
- MinIO AIStor vs Google Cloud Storage
- MinIO AIStor vs Amazon S3
- MinIO AIStor vs Alibaba Cloud Object Storage Service (OSS)
- MinIO AIStor vs Oracle Cloud Infrastructure Object Storage
- MinIO AIStor vs Yandex Object Storage
- MinIO AIStor vs Backblaze B2 Cloud Storage
Compare MinIO AIStor with any tool side by side →
Also Ranked In
MinIO AIStor is ranked in 3 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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