Cloud-Native Object Storage for AI/ML Workloads

Egress-friendly, S3-compatible object storage that fuels cloud-native AI and machine learning workloads without breaking the bank.

Cut costs, stay secure, and move data freely

Cost & time savings

Unlock the power of your data for a fraction of the cost—experience savings of up to 80% compared to AWS S3, all while reducing data management time by as much as 92%.

GPU-ready object storage

Supercharge your data with unmatched flexibility and GPU-readiness, backed by 3x free egress—giving you complete command over your AI workflows.

Performant & secure

Safeguard your data with a 99.9% uptime SLA, built for 11 nines of durability, fortified with server-side encryption and backed by SOC-2 compliance for ultimate peace of mind.

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Frictionless AI/ML data flows at scale

B2 Cloud Storage sits at the center of your AI pipeline—from ingestion and feature extraction to GPU training and inference. Always-hot storage and 3x free egress and power unrestricted data movement at every stage, letting teams iterate and focus on building better models instead of battling overhead.

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Buy your way, always know what you’ll pay

Pay-As-You-Go

B2 Reserve

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Storage

(TB/month)

$6

$26

$20

$23

Egress

($/GB)

Free*

$0.09

$0.08

$0.11

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Amazon S3 LogoAmazon S3 Icon
Microsoft Azure LogoMicrosoft Azure Icon
Google Cloud LogoGoogle Cloud Icon

Storage

(250TB/year)

$19,500

$75,600

$52,395

$69,000

Egress

($/GB)

$0*

$0.06

$0.05

$0.08

Pay-As-You-Go cloud storage cost and savings calculator

B2 Reserve cloud storage cost and savings calculator

TB
TB
$25,000/yr
$25,000/yr
$25,000/yr
$25,000/yr
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0➔16PB
in 90 days
10x
more efficient than competition
$0
egress spend
We need to store an insane amount of data and download it to a few different GPU clusters around the world, and for it to not cost an insane amount of money. That’s why we chose Backblaze.

Dean Leitersdorf, Co-Founder and CEO, Decart

Learn how Decart trains its AI models with Backblaze

Why AI teams choose Backblaze B2

Integrate your way

Connect your AI pipelines instantly with leading compute and MLOps tools via APIs, SDKs, CLI, and Web UI.

Low-latency, always-hot storage

Keep your training, checkpoint, and inference data instantly accessible with 99.9% uptime–no cold storage delays, retrieval fees, or performance trade-offs.

Multi-cloud flexibility

Avoid vendor lock-in and optimize performance by moving data freely between storage, compute, and edge environments with no surprise transfer fees.

Human support for AI teams

From proof of concept to production, our expert engineers provide guidance to optimize your storage and data flow.

More Than 500,000 Customers Trust Backblaze

More than 500,000 Customers Trust Backblaze

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Assisted data migration available

Backblaze’s Universal Data Migration service is here to help you quickly and securely move large datasets into B2 Cloud Storage from all sources. Plus, we'll help cover migration costs with qualifying commitments.

Public Clouds and Cloud Drives

Server, NAS, and SAN

Tape

FAQ

How does Backblaze B2 support AI/ML projects?

Backblaze B2 offers high-performance, S3-compatible cloud storage designed for machine learning and high-performance computing (HPC) workflows. It keeps training sets, model checkpoints, and inference data always accessible, helping you iterate faster without spiraling costs.

Can I switch between GPU compute providers without incurring high costs?

Yes. With Backblaze B2, you’re free to pair your data with any HPC or GPU provider that meets your needs. Thanks to our egress-friendly model, shifting workloads between different compute environments won’t lead to unexpected fees.

Can Backblaze B2 handle the large-scale data requirements of AI/ML and HPC workloads?

Absolutely. B2 Cloud Storage is built for substantial datasets in AI, ML, and HPC contexts—ideal for hosting your training data, versioned models, and archival datasets. While compute-intensive training typically runs on dedicated GPU clusters, Backblaze B2 reliably stores the inputs and outputs that power them.

Is Backblaze B2 easy to integrate with my existing tech stack?

Yes. Our Technology Partners ensure seamless integration with popular ML and HPC tools. And, with full S3 API compatibility, you can plug Backblaze B2 into your current pipelines with minimal setup.

How does Backblaze B2 protect the security and privacy of my AI/ML data?

We employ industry-standard security measures, including two-factor authentication and server-side encryption (SSE), plus SOC-2 compliant data centers offering 11 nines of durability. You retain full control over your data—encryption keys remain yours, and no one else can access your stored information.

What types of applications are best suited for Backblaze B2?

Backblaze B2 excels in diverse scenarios like e-commerce, gaming, large-scale enterprise apps, and AI/ML workloads. Whether you’re training neural networks or running a high-throughput HPC pipeline, its scalable and cost-efficient architecture fits a range of performance needs.

How do I get started with Backblaze B2?

It's easy to get started with Backblaze B2. You can sign up for a free account and begin your own full-featured proof of concept (PoC) today. Our team, including Backblaze solution engineers, can also help you explore the features and benefits of B2 Cloud Storage if that’s helpful.