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MinIO Introduces AIStor with S3 Express API Support, Revolutionizing AI and Analytics Storage

ByNeelima N M
2025-05-30.about 2 months ago
MinIO Introduces AIStor with S3 Express API Support, Revolutionizing AI and Analytics Storage
MinIO launches AIStor with support for Amazon’s S3 Express API, enabling high-speed AI and analytics data workflows with enterprise-grade replication and disaster recovery.

MinIO, the leading provider of high-performance object storage, has unveiled AIStor, the first AI data storage platform to support Amazon's S3 Express API.

This new integration allows organizations to leverage Amazon’s high-performance, developer-friendly S3 Express API for all AI and data-intensive analytics workloads, enabling enterprises to place all their analytical and AI data in "express mode" without additional costs.

Revolutionizing AI and Data Workflows

The S3 Express API, introduced by AWS in 2023, has been a game-changer for AI and analytics storage, delivering up to 10x faster performance than the standard S3 storage class.

However, in AWS, the S3 Express API comes at a premium cost with limited data protection and replication capabilities. Traditionally, it has been used only for high-speed access data, leaving customers to manage a durable copy of data in the standard S3 storage class.

With MinIO AIStor, this performance is now available to enterprises at no additional cost, with full active/passive disaster recovery (DR), batch replication, and data protection features integrated into the platform.

This allows organizations to use the S3 Express API for all their analytical and AI data—accelerating AI data pre-processing, model training, inference, and large-scale data lakehouse analytics.

Also read: Atua AI Expands Modular Automation Tools to Power Smarter Web3 Enterprise Operations

Simplifying Complex Workflows

Garima Kapoor, co-founder and co-CEO of MinIO, said, “Until now, use of S3 Express has typically been reserved for data that requires high speed access at the expense of enterprise features like replication and lifecycle management, due to its cost premium over S3 Standard.”

She added, "We're changing that because we believe it can and should become the standard API for all analytical data and AI workloads. With the AIStor S3 Express API, pricing remains the same so enterprises can now put all of their analytical and AI data, not just a subset, in 'express mode.' This is drawing tremendous excitement from customers."

The integration of AIStor S3 Express API helps streamline processes by accelerating PUT and LIST operations (up to 447% faster time-to-first-byte for LIST operations).

This improvement translates into faster AI model training, quick data analytics, and better overall infrastructure utilization. Additionally, the atomic, exclusive append operationsfeature allows for direct and safe object modification, eliminating the need for multi-step update workflows, particularly useful in media applications like video streaming.

Enterprise-Level Support and Flexibility

MinIO’s AIStor S3 Express API offers comprehensive disaster recovery and data replication support, allowing businesses to ensure no data loss during outages, with synchronous replication for real-time failover and asynchronous replication to protect data across geographies. This ensures that the performance benefits of the S3 Express API are fully realized without compromising business continuity.

MinIO's integration of the S3 Express API marks a milestone for the company as it continues to provide complete S3 API compatibility. As the first AI storage platform to offer this API, MinIO reinforces its position as a leader in high-performance AI storage solutions, catering to organizations looking to maximize AI efficiency and infrastructure scalability.

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