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MinIO AIStor

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Spec score 8.8 #2 of 28 in Storage Management Software

What it is

MinIO AIStor combines persistent memory, tables, objects, and files in an enterprise AI data store. AIStor Memory holds agent context, workspaces, secrets, artifacts, and telemetry. AIStor Tables provides native Apache Iceberg storage for analytics, feature stores, lakehouse architectures, and structured AI datasets. S3-compatible object storage covers models, checkpoints, training datasets, embeddings, documents, media, and logs. Access and integration options include S3, S3 Express, MCP, SFTP and Files, Iceberg Catalog, and OpenSharing. Management features include an admin console, QoS, lifecycle management, encryption, key management, a data firewall, and immutability. The product lists several replication modes, along with audit trails, Prometheus metrics, and error logs. Installation options include Linux, Windows, macOS, Kubernetes Helm, OpenShift, and Podman. AIStor Free costs nothing and includes the full feature set, but is intended for single-node, self-supported use without resilience beyond one node; redistribution is prohibited. Enterprise and Enterprise Lite pricing is available on request. Lite is for capacity requirements below 400 TiB; deployments exceeding that are upgraded to Enterprise. A 60-day trial is listed.

Spec sheet

What it does
AIStor combines persistent AI-agent memory, Apache Iceberg tables, S3-compatible objects and files in one enterprise data store.Read 15 Oct 2026 · min.io
Purpose
AIStor combines persistent memory, tables, objects, and files in an enterprise AI data store.Read 30 Sep 2026 · min.io
Compliance
MinIO says AIStor includes WORM storage for SEC 17a-4(f), FINRA, and CFTC requirements, as well as controls supporting HIPAA, GDPR, CCPA, SOC 2, and ISO 27001.Read 30 Sep 2026 · min.io
Support
Enterprise includes SUBNET direct-to-engineer support 24/7/365 with a less-than-four-hour SLA and Panic Button; Enterprise Lite offers optional direct-to-engineer support with a less-than-five-day SLA.Read 30 Sep 2026 · min.io
Headquarters
Redwood City, California, United StatesRead 28 Sep 2026 · min.io
Founded
2014Read 28 Sep 2026 · min.io
AI memory
AIStor Memory stores agent context, workspaces, secrets, artifacts and telemetry beyond the lifetime of ephemeral runtimes.Read 15 Oct 2026 · min.io
AIStor Memory
AIStor Memory stores agents’ context, workspaces, secrets, artifacts, and telemetry in AIStor.Read 30 Sep 2026 · min.io
Capacity limit
Enterprise Lite is for capacity requirements below 400 TiB, and deployments exceeding 400 TiB are upgraded to Enterprise.Read 30 Sep 2026 · min.io
Certifications
The pricing page lists SOC 2 and ISO 27001 as certified, SEC 17a-4(f) and FINRA 4511(c)-(d) as compliant, and FIPS 140-3 and a pentest report.Read 30 Sep 2026 · min.io
Company founding
MinIO says it was founded in 2014 by Garima Kapoor, Anand Babu Periasamy and Harshavardhana.Read 15 Oct 2026 · min.io
Company size and headquarters
LinkedIn lists MinIO as a privately held software company headquartered in Redwood City, California, with 201–500 employees.Read 15 Oct 2026 · linkedin.com
Deployment platforms
Documentation covers Linux, Kubernetes, OpenShift, containers, macOS and Windows deployments.Read 15 Oct 2026 · docs.min.io
Developer APIs and SDKs
Documentation lists S3 API compatibility plus Go, Python, Java, .NET, JavaScript, Haskell, C++ and Rust SDKs.Read 15 Oct 2026 · docs.min.io
Documentation depth
The documentation includes installation, administration, SDK references, API compatibility, operations, metrics, troubleshooting, upgrades and disaster recovery topics.Read 15 Oct 2026 · docs.min.io
Encryption
AIStor supports TLS 1.2 or later and server-side encryption through SSE-KMS or SSE-S3 with customer-managed keys.Read 15 Oct 2026 · docs.min.io
Extensibility
Bucket event notifications can target AMQP, Elasticsearch, Kafka, MQTT, MySQL, NATS, NSQ, PostgreSQL, Redis and webhooks.Read 15 Oct 2026 · docs.min.io
Free tier limitation
AIStor Free is intended for single-node use cases that can be self-supported and do not require data resiliency beyond a single node.Read 30 Sep 2026 · min.io
Hardware baseline
Recommended production sizing is at least eight dedicated hosts, eight drives per server, 100GbE networking, 16 CPU or vCPU per host and 128GB available memory per host.Read 15 Oct 2026 · docs.min.io
Iceberg tables
AIStor Tables provides Apache Iceberg-native table storage for analytics, feature stores, lakehouses and structured AI datasets.Read 15 Oct 2026 · min.io
Identity and access
The console supports built-in users, OIDC, Active Directory/LDAP single sign-on, groups, policies and child access keys.Read 15 Oct 2026 · docs.min.io
Integrations and protocols
The product page lists S3, S3 Express, MCP, SFTP and Files, Iceberg Catalog, and OpenSharing for access and integration.Read 30 Sep 2026 · min.io
Legal entity and funding
Crunchbase identifies the legal name as MinIO Inc, lists three funding rounds including Series B, and names Intel Capital, General Catalyst, Nexus Venture Partners and Dell Technologies Capital among investors.Read 15 Oct 2026 · crunchbase.com
Licence
AIStor is commercially licensed under MinIO's software licensing model; the former AGPLv3 MinIO community edition is frozen and no longer maintained.Read 15 Oct 2026 · min.io
Limit: Capterra compatibility and permissions
Capterra reviewers report that the API is not fully compatible with S3 in some cases and cite shortcomings in per-user bucket or file permissions.Read 15 Oct 2026 · capterra.com
Limit: G2 documentation and cost
G2 reviewers mention limited public documentation, a small community, UI limitations in some environments and cost concerns for smaller companies.Read 15 Oct 2026 · g2.com
Management and security features
Listed capabilities include an admin console, QoS, lifecycle management, encryption, key management, a data firewall, and immutability.Read 30 Sep 2026 · min.io
Management features
The subscription page lists an administration console, quality-of-service controls and lifecycle management.Read 15 Oct 2026 · min.io
Notable news: AIStor Tables GA
On February 3, 2026, MinIO announced general availability of AIStor Tables with an Iceberg V3 Catalog REST API built into the product.Read 15 Oct 2026 · min.io
Object storage
The object layer stores models, checkpoints, training data, embeddings, documents, media and logs on S3-compatible storage.Read 15 Oct 2026 · min.io
Observability
AIStor exposes audit trails, Prometheus metrics and error logs.Read 15 Oct 2026 · min.io
Performance and scale
MinIO reports maximum throughput of 23.5 TiB/s in WARP benchmarking and describes AIStor as scaling from edge deployments to exabyte-scale clusters.Read 30 Sep 2026 · min.io
Performance claim
MinIO reports 23.5 TiB/s maximum throughput in WARP benchmarking and microsecond access latency.Read 15 Oct 2026 · min.io
Praise: Capterra deployment
Capterra reviewers praise running MinIO on a private server, easy Docker deployment and good ASP.NET Core integration.Read 15 Oct 2026 · capterra.com
Praise: G2 usability and self-hosting
G2 reviewers repeatedly describe easy self-hosting with Docker, straightforward UI and CLI operation, simple navigation and close S3 compatibility.Read 15 Oct 2026 · g2.com
Praise: TrustRadius cost and control
TrustRadius summaries praise local S3-compatible development storage for reducing cloud latency and cost while improving control and testing productivity.Read 15 Oct 2026 · trustradius.com
Protocols
AIStor supports S3, S3 Express, SFTP, an Iceberg Catalog and Delta Sharing protocols.Read 15 Oct 2026 · min.io
Rating on Capterra
4.5 out of 5 from 2 reviewsRead 15 Oct 2026 · capterra.com
Rating on G2
4.3 out of 5 from 17 reviewsRead 15 Oct 2026 · g2.com
Rating on TrustRadius
6.6 out of 10 from 3 reviewsRead 15 Oct 2026 · trustradius.com
Release update
The September 19, 2026 release fixed authorization and information-disclosure defects, corrected object-listing omissions, and added Iceberg REST authentication and per-feature licensing.Read 15 Oct 2026 · dl.min.io
Replication
Replication options include active-active, synchronous, asynchronous, multisite, bucket, batch and edge modes.Read 15 Oct 2026 · min.io
Replication and monitoring
AIStor lists active-active, synchronous, asynchronous, multisite, bucket, batch, and edge replication, plus audit trails, Prometheus metrics, and error logs.Read 30 Sep 2026 · min.io
Scale claim
The product page describes software-defined scaling from edge deployments to exabyte-scale clusters.Read 15 Oct 2026 · min.io
Security compliance
MinIO states that AIStor supports FIPS 140-3, SOC 2, ISO 27001, SEC 17a-4(f), FINRA 4511(c)-(d), HIPAA, PCI DSS and CJIS control requirements.Read 15 Oct 2026 · min.io
Security features
Listed security capabilities include encryption, key management, a data firewall and immutability.Read 15 Oct 2026 · min.io
Storage requirements
MinIO recommends directly attached NVMe or SSD drives formatted with XFS and warns that SAN, NAS, ext4, RAID and LVM reduce performance or consistency.Read 15 Oct 2026 · docs.min.io
Tables
AIStor Tables provides native Apache Iceberg storage for analytics, feature stores, lakehouse architectures, and structured AI datasets.Read 30 Sep 2026 · min.io

Plans and prices

AIStor Free Free free of charge single-node deployment · full feature set · community Slack and documentation support · redistribution prohibited Read 15 Oct 2026 · min.io
AIStor Enterprise Priced on request Request enterprise Pricing multi-node deployment · unlimited scale · premium support Read 30 Sep 2026 · min.io
AIStor Enterprise Lite Priced on request Request enterprise Lite Pricing multi-node deployment · below 400 TiB · direct-to-engineer support optional Read 30 Sep 2026 · min.io
Enterprise Priced on request subscription based on usable storage capacity multi-node horizontal scaling · unlimited scale · premium SUBNET support · 24/7/365 direct-to-engineer support under 4-hour SLA · 60-day free trial Read 15 Oct 2026 · min.io
Enterprise Lite Priced on request subscription based on usable storage capacity multi-node horizontal scaling · below 400 TiB · Lite SUBNET diagnostics/security reporting · optional direct-to-engineer support under 5-day SLA · 60-day free trial Read 15 Oct 2026 · min.io

Every MinIO AIStor plan and price →

Strong points and limits

Strong points

  • Combines memory, tables, objects, and files.
  • S3-compatible object storage.
  • Supports multiple deployment environments.
  • Includes replication and immutability features.
  • Free tier includes the full feature set.

Limits

  • Free tier is single-node only.
  • Free tier provides no resilience beyond one node.
  • Redistribution is prohibited.
  • Enterprise pricing is available on request.

Who it suits

AIStor suits organizations building AI data infrastructure that need object storage alongside persistent agent memory and Iceberg tables. The free tier is for self-supported, single-node use; multi-node deployments have Enterprise or Enterprise Lite options with pricing on request.

MinIO AIStor in depth

Read the full write-up

MinIO AIStor is a self-hosted data platform for AI and analytics workloads, combining object storage, tables, files and persistent agent memory. It suits infrastructure teams that want S3-compatible storage alongside structured datasets and deployment control. Its breadth is attractive, but the free tier stops at one node and multi-node use requires custom pricing.

Overview

AIStor aims to consolidate several kinds of AI data in one enterprise store: models and training data, structured analytics data, and the context and artifacts agents need to retain. That range is useful for organizations building an AI data foundation, but it is more infrastructure-oriented than a straightforward file-storage product.

MinIO reports maximum throughput of 23.5 TiB/s in WARP benchmarking and describes deployments scaling from edge installations to exabyte-scale clusters. Those figures signal ambitious performance and scale targets, while the free tier's lack of multi-node resiliency makes it a poor route to a resilient production cluster.

Key features

Objects, tables and memory

S3-compatible object storage holds models, checkpoints, training datasets, embeddings, documents, media and logs. Versioning, lifecycle rules, immutability and cross-region replication address object history, retention and copies across locations. AIStor Tables provides native Apache Iceberg storage for analytics, feature stores, lakehouse architectures and structured AI datasets, making the product relevant where object storage alone is not enough.

AIStor Memory stores agents' context, workspaces, secrets, artifacts and telemetry. That extends AIStor beyond bulk data storage to persistent agent state, which may appeal to teams seeking one platform for both workload data and agent operations.

Integration, operations and controls

Access and integration options include S3, S3 Express, MCP, SFTP and Files, Iceberg Catalog and OpenSharing. An admin console, QoS, lifecycle management, encryption, key management, a data firewall and immutability give operators a broad set of management and security controls.

Replication options include active-active, synchronous, asynchronous, multisite, bucket, batch and edge configurations. Audit trails, Prometheus metrics and error logs support monitoring across deployments. MinIO says WORM storage addresses SEC 17a-4(f), FINRA and CFTC requirements, with controls supporting HIPAA, GDPR, CCPA, SOC 2 and ISO 27001. The pricing page identifies SOC 2 and ISO 27001 as certified, SEC 17a-4(f) and FINRA 4511(c)-(d) as compliant, and FIPS 140-3 and a pentest report.

Pricing

AIStor uses a freemium model, with a free plan, custom pricing for enterprise plans and a 60-day trial. The plans present a clear trade-off: free access includes the full feature set but is restricted to one node, while multi-node deployments require an enterprise plan.

AIStor Free: free, billed free of charge. It includes a single-node deployment and the full feature set, but redistribution is prohibited. MinIO intends this tier for self-supported use cases that do not need resiliency beyond one node; it is not a substitute for a resilient multi-node cluster.

AIStor Enterprise: Custom pricing, with pricing requested from MinIO. It includes multi-node deployment, unlimited scale and premium support. Its 24/7/365 SUBNET direct-to-engineer support carries a less-than-four-hour SLA and includes a Panic Button, making this the plan for organizations that need scale and rapid response.

AIStor Enterprise Lite: Custom pricing, with pricing requested from MinIO. It supports multi-node deployments below 400 TiB, with optional direct-to-engineer support and a less-than-five-day SLA. Capacity above 400 TiB moves to Enterprise, so Lite is the narrower fit for organizations within that threshold that can accept slower or optional direct support.

The free tier's full feature set is generous in capability, but its single-node ceiling is a material limit for anyone requiring node-level resiliency. Enterprise and Lite remove that boundary, but their custom pricing means buyers must weigh capacity and support needs with MinIO before choosing.

Platforms

AIStor is available across API, Linux, macOS, self-hosted, web and Windows categories. Server installation instructions cover Linux, Windows and macOS, as well as Kubernetes Helm, OpenShift and Podman. This makes it a credible option for teams managing their own infrastructure across several deployment environments; it is not limited to a single server operating system.

Who it's for

AIStor is best suited to organizations building AI or analytics infrastructure that need S3-compatible object storage plus Iceberg tables or persistent agent memory. Its replication, monitoring and compliance capabilities are relevant to operators with demanding retention and resilience requirements, particularly when enterprise support matters. Small teams can use the free tier for single-node, self-supported deployments, but should look elsewhere if they need free multi-node resilience or a simple hosted storage service.

Pros and cons

Pros: Objects, Iceberg tables and agent memory share one platform, suiting workloads that span AI data and analytics.

Pros: S3 compatibility, versioning, lifecycle rules, immutability and cross-region replication address common object-storage access and retention needs.

Pros: A broad replication and monitoring set, alongside compliance controls and certifications, supports operationally demanding deployments.

Cons: The free plan is limited to a single node and self-supported use, excluding users who need free multi-node resiliency.

Cons: Both multi-node plans have custom pricing, and Enterprise Lite is capped below 400 TiB before an upgrade to Enterprise.

Cons: Lite's direct-to-engineer support is optional and has a less-than-five-day SLA, a slower response commitment than Enterprise's less-than-four-hour SLA.

Alternatives

For open-source and storage alternatives, consider SeaweedFS, JuiceFS, StarWind Virtual SAN, MooseFS, VMware Workstation Pro, Ceph, OpenEBS and DataCore SANsymphony.

SeaweedFS is worth considering for a freemium option with any cluster size and community support through GitHub issues, discussions and public documentation, though it offers no guaranteed response time. JuiceFS offers a free, self-hosted Community Edition with support through GitHub and Discord. StarWind Virtual SAN has a free, self-supported plan with functionality limitations, with a note that its Linux KVM version may have no limitations. MooseFS Community is free forever under GPLv2, but is limited to a single active master and single-parity erasure coding.

VMware Workstation Pro is a free option for 64-bit Intel or AMD PCs running Windows or Linux hosts, rather than a described AI data store. Ceph is free, open-source distributed storage software and requires a running Ceph cluster for block storage. OpenEBS is a free, open-source Kubernetes storage project. DataCore SANsymphony is a paid alternative with annual or multi-year terms and pricing based on managed capacity in TB.

Browse Software-Defined Storage Software and Storage Management Software for more options.

Verdict

Choose MinIO AIStor if your organization needs one self-managed platform for S3-compatible objects, Iceberg tables and agent memory, with replication and enterprise controls to support larger deployments. Its strongest case is breadth across AI data types; its main drawback is the divide between single-node free use and custom-priced multi-node plans. Teams that need resilient multi-node storage without an enterprise purchase should choose another option.

Verdict

AIStor brings several AI data storage types and management capabilities into one product. The free tier’s single-node boundary and the on-request pricing for multi-node options merit attention.

Where Specifiction places it

Alternatives to MinIO AIStorAll alternatives →