Backblaze B2 Cloud Storage

S3-compatible object storage for AI and data-intensive workloads

Backblaze B2 Cloud Storage is an always-hot, S3-compatible object storage service used for AI/ML training data, application and media storage, and backup and archive. It offers an S3-Compatible API, a B2 Native API, and a Partner API, with SDKs for Java, Python, and Go, a CLI, Object Lock immutability, cloud replication, event notifications, and multi-region data replication. Related offerings include B2 Overdrive (high-throughput storage from 100Gbps to 1Tbps, starting at $15/TB per month) and B2 Neo for neoclouds. Free egress up to three times average monthly stored data, no egress fees, and the first 10 GB of storage free.

Category: Databases & storage
Pricing: usage_based
Free tier: yes
API: yes
MCP server: no
SDK: yes
Open source: no

#object-storage #s3-compatible #cloud-storage #ai-infrastructure #backup #api

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Listed 2026-10-23 · last verified 2026-10-23 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95

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