~1/5
Cost vs AWS S3
vendor claim, with free egress
Report
Should I Use Backblaze B2 Cloud Storage?
High-throughput, S3-compatible object storage pitched at AI workloads, neoclouds, and GenAI developers.
Depends
DependsBuy it if you're a developer or AI team moving terabytes and want S3 compatibility at a fraction of AWS prices.
Genuinely cheap, S3-compatible object storage that shines for AI and backup workloads — overkill if you just want file sync.
Confidence: Medium
+24%
B2 revenue growth
ARR +28% on AI demand
$335M
CoreWeave contract
enterprise storage deal
16PB in 90 days
Decart scale-up
10x faster model training
Value for money
5
Vendor claims 1/5 of S3 cost; reviewers confirm affordability
Ease of use
4
Reviewers cite simplicity and reliability
Feature depth
4
S3-compatible, high-throughput, proven at 16PB AI scale
Security posture
4
UpGuard shows hardened TLS; no known CVEs surfaced
Pros
- Reviewers praise B2's affordability, simplicity, and reliability²
- Vendor claims S3-level performance at one-fifth of AWS cost, free egress⁵
- S3-compatible: existing tools, SDKs, and code keep working³
- Proven AI scale: Decart grew 0 to 16PB in 90 days, 10x training speedup⁸
- Works well as secondary storage in corporate backup strategies⁴
Cons
Gotchas
- medium'Fifth of S3 cost' and 'free egress' are vendor claims — validate against your own workload⁵
- mediumCrawler found no security page at request SOC 2 and compliance docs directly
- mediumLeaving any object store means bulk transfer time and cost, despite 'no lock-in' marketing¹
- lowNo concrete per-TB pricing captured in sources; confirm current rates and free-tier details before committing¹
Best for
- AI/ML teams training on large datasets
- Backup targets for servers and NAS
- Budget S3 replacement for developers
- Neocloud infrastructure builders
Not for
- Non-technical users wanting simple file sync or sharing
- Small projects that fit in Dropbox or Google Drive
- Buyers needing verified support SLAs and compliance docs up front
- Anyone unwilling to work with S3 APIs and tooling
Pricing
B2 Cloud Storage
Vendor claims ~1/5 of AWS S3 pricing
- S3-compatible object storage
- Free egress per vendor claims
- High-throughput for AI workloads
Security
No known public vulnerabilities found in the sources reviewed.
What users say
Users consistently praise B2's price, simplicity, and reliability, especially as a backup target.
“Reviewers like the affordability, simplicity, and reliability of Backblaze B2 Cloud Storage”
“Backblaze B2 is great as an alternate medium for a corporate backup strategy”
Alternatives
Compare Backblaze B2 Cloud Storage with each alternative.
AWS S3
The default; pricier but deepest ecosystem
Wasabi
Budget S3 competitor named in evidence; compare egress terms
Backblaze B2 Cloud Storage vs WasabiCloudflare R2
S3-compatible with zero egress fees; worth benchmarking
Google Drive / Dropbox
For simple file sync without developer tooling
Full analysis
Based on ~9 usable public sources; many search results were unrelated noise, and no numeric review ratings or full pricing pages were captured.
Sources
- Backblaze homepagebackblaze.comofficial
review
- Backblaze B2 — Capterracapterra.comreview
- Backblaze B2 Reviews — TrustRadiustrustradius.comreview
- Backblaze offers low-cost, fast B2 cloud storage tierblocksandfiles.comnews
news
- Backblaze says AI demand is driving faster B2 growthfinance.yahoo.comnews
- Backblaze case studies (Decart)welcome.aiofficial
- Backblaze Security Rating — UpGuardupguard.comsecurity
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