Cloudflare R2 vs Backblaze B2 vs Wasabi vs DigitalOcean Spaces: The 2026 Object Storage Showdown

Why Your Object Storage Bill Is Probably Too High

Object storage is supposed to be cheap. Yet plenty of developers find themselves staring at an AWS bill that climbs well past $200 a month just to host static assets, backups, and user-uploaded files. The culprit is almost never the storage rate — it's egress. Amazon S3 charges $0.09 per gigabyte of outbound data, which adds up fast the moment your app starts serving real traffic.

Since 2022, a new generation of S3-compatible providers has aggressively undercut Amazon on both storage cost and egress fees. In 2026, four of them stand out: Cloudflare R2, Backblaze B2, Wasabi, and DigitalOcean Spaces. Each takes a different bet on what "cheap" really means, and choosing the wrong one can actually cost you more than staying on S3.

This guide breaks down actual pricing, hidden gotchas, performance characteristics, and the specific workload profiles that make each provider the right — or wrong — choice.

Understanding the True Cost of Object Storage

Before comparing providers, you need to understand the three cost axes that every pricing page obscures:

• Storage rate — $/GB/month for data at rest
• Egress rate — $/GB for data downloaded (the sneaky one)
• API request fees — $/1,000 for PUT, GET, DELETE operations

Most comparison articles only show storage rates and miss the full picture. A provider charging $0.006/GB for storage looks 4x cheaper than Amazon S3 ($0.023/GB), but if you're pulling 50 TB of data outbound every month, the egress rate completely dominates your bill. Cloudflare R2, which charges $0.00 for egress, can end up costing a fraction of B2 for a read-heavy CDN use case — even though B2's storage rate is lower.

Cloudflare R2 — Zero Egress, Full S3 Compatibility

Cloudflare R2 launched in 2022 with one headline claim: no egress fees, ever. Two years later, that promise still holds and has become R2's defining feature.

R2 Pricing (2026)

• Storage: $0.015/GB/month (first 10 GB free)
• Egress to internet: $0.00
• Class A operations (PUT, POST, LIST): $4.50 per million (first 1M free/month)
• Class B operations (GET, HEAD): $0.36 per million (first 10M free/month)

At $15/TB stored, R2's storage rate sits between B2 and Amazon S3. What makes it compelling is the zero-egress model. If your application serves images, videos, or large file downloads directly to end users, R2 eliminates the cost that would make every other provider painful at scale.

R2 also ships with R2 Jurisdictional Restrictions, letting you pin data residency to the EU or US — useful for GDPR compliance without the enterprise pricing of AWS. Objects are served via Cloudflare's global edge network by default, giving you CDN-level delivery without a separate CDN subscription.

Weaknesses: R2 has no lifecycle rules for automatic object deletion or tiering as of mid-2026, and its API surface is narrower than S3 (no object tagging until recently). Event notifications via Workers are functional but require more wiring than S3's native Lambda triggers.

Best for: Apps that serve assets directly to users, media pipelines with heavy read traffic, developers already on Cloudflare's network who want zero-config CDN delivery.

Backblaze B2 — The Cheapest Storage Rate, Period

Backblaze B2 has been the price-per-gigabyte champion since it launched, and in 2026 it maintains that position. At $0.006/GB/month ($6/TB), it's roughly 2.5x cheaper than R2 for storage and 4x cheaper than Amazon S3.

B2 Pricing (2026)

• Storage: $0.006/GB/month (first 10 GB free)
• Egress to internet: $0.01/GB (first 3x monthly average stored is free)
• API calls: $0.004 per 10,000 Class B operations; Class C (write) free

The "3x free egress" rule is worth understanding. If you store an average of 100 GB per month, Backblaze gives you 300 GB of outbound transfer free. Beyond that, you pay $0.01/GB — which is still a tenth of what Amazon charges but meaningful at petabyte scale.

B2 has invested heavily in ecosystem partnerships. Downloads via Cloudflare, Fastly, and Bunny CDN are completely free due to Backblaze's Bandwidth Alliance memberships, which effectively eliminates egress costs for any application that routes traffic through those CDNs. If you run a media site using Cloudflare as a CDN proxy in front of B2, you pay only storage costs — about $6 per terabyte per month. That's hard to beat.

Weaknesses: The S3 compatibility layer (the "S3-compatible API") covers most operations but misses some edge features. There's no multi-region replication built in, and object lock / WORM compliance features arrived only recently and are less mature than AWS.

Best for: Cold backups, archive storage, media libraries served behind a CDN, startups with limited storage budget who want to minimize per-GB costs on large datasets.

Wasabi — Flat-Rate for Write-Heavy Workloads

Wasabi takes the most unusual pricing approach of the four. It charges a flat $6.99/TB/month with zero egress and zero API call fees — but enforces a minimum 1 TB charge and a 90-day minimum storage duration per object.

Wasabi Pricing (2026)

• Storage: $0.00699/GB/month (minimum 1 TB = $6.99/month)
• Egress: $0.00
• API requests: $0.00
• Minimum commitment: 1 TB storage ($6.99/month even if you store nothing)
• Minimum object retention: 90 days (short-lived objects still billed for full 90 days)

The 90-day minimum is the gotcha that trips up the most users. If your application generates temporary files, transcoding artifacts, or short-lived cache objects that you delete within days, Wasabi will charge you for a full 90 days of storage per object. For a workflow that creates and deletes hundreds of small objects daily, this can make Wasabi dramatically more expensive than its headline rate suggests.

For workloads with long-lived data and heavy API usage — database backups retained for years, media archives, compliance vaults — Wasabi's flat rate is genuinely excellent. No egress fees plus no API fees means you can run continuous background jobs that read and verify your data without a surprise bill at month-end.

Weaknesses: The 90-day minimum storage rule is unforgiving. Wasabi also lacks a CDN built-in — you'll need to front it with Cloudflare or a separate CDN service, adding complexity. There's no free tier.

Best for: Long-term archives, compliance data, backup-to-cloud workflows with large stable datasets, analytics pipelines that frequently query stored data via API.

DigitalOcean Spaces — Predictability Over Efficiency

DigitalOcean Spaces takes a different angle entirely: flat-rate pricing with a bundled CDN, designed for developers who want a predictable bill and minimal configuration overhead.

Spaces Pricing (2026)

• Base plan: $5/month includes 250 GB storage + 1 TB outbound transfer
• Additional storage: $0.02/GB/month
• Additional transfer: $0.01/GB
• CDN: Included at no extra cost

If your storage needs stay under 250 GB and your traffic under 1 TB per month, Spaces is one of the best deals available — $5 flat, CDN included, no spreadsheet math required. The built-in CDN is a genuine differentiator; with R2 you need Cloudflare's Workers routing, with B2 you need to set up a CDN separately, but Spaces just works out of the box.

Spaces is also tightly integrated with DigitalOcean's ecosystem. If you run Droplets or App Platform workloads on DO, Spaces access from within the same datacenter region is free of internal network charges, and the management console is unified. For DigitalOcean shops, the operational simplicity is worth real money.

At scale, however, the economics flip. At 10 TB stored plus 10 TB egress, you'd pay $220/month on Spaces versus around $60 on B2 (with Cloudflare CDN) or $150 on R2. Spaces isn't optimized for cost at volume — it's optimized for convenience at moderate scale.

Weaknesses: Gets expensive quickly beyond the base plan tiers. Fewer datacenter regions than AWS, R2, or Backblaze. No object lock or versioning as mature as S3.

Best for: Small-to-medium applications, teams already on DigitalOcean, developers who want zero CDN configuration, projects where the $5 flat rate covers everything they need.

Pricing Comparison at a Glance

Provider	Storage/TB/mo	Egress/GB	Free Tier	CDN Included
Amazon S3	$23	$0.09	5 GB (12 months)	No (CloudFront extra)
Cloudflare R2	$15	$0.00	10 GB	Via Workers
Backblaze B2	$6	$0.01 (3x free)	10 GB	No (CF Alliance free)
Wasabi	$6.99	$0.00	None	No
DO Spaces	$5 (250 GB flat)	$0.01 (1 TB inc.)	None	Yes

Real-World Cost Scenarios

Scenario 1: Small web app, 50 GB stored, 500 GB egress/month

• Amazon S3: $1.15 + $45 egress = $46.15
• Cloudflare R2: $0.60 + $0 egress = $0.60 (within free tier)
• Backblaze B2: $0.30 + $0.50 egress = $0.80
• Wasabi: $6.99 (minimum charge)
• DigitalOcean Spaces: $5.00 (within bundle)

Winner: R2 (fits within free tier). For paid plans, B2 is cheapest at this scale.

Scenario 2: Media platform, 10 TB stored, 30 TB egress/month

• Amazon S3: $230 + $2,700 egress = $2,930
• Cloudflare R2: $150 + $0 egress = $150
• Backblaze B2 + Cloudflare CDN: $60 storage + $0 egress (Bandwidth Alliance) = $60
• Wasabi: $69.90 + $0 egress = $69.90
• DigitalOcean Spaces: $200 + $290 egress = $490

Winner: B2 + Cloudflare CDN combo at $60. Wasabi is close second if your data has long retention.

Scenario 3: Daily backup archive, 100 TB stored, 1 TB egress/month (restore tests)

• Amazon S3: $2,300 + $90 = $2,390
• Cloudflare R2: $1,500 = $1,500
• Backblaze B2: $600 + $8.80 = $608.80
• Wasabi: $699 = $699 (provided data is long-lived)
• DigitalOcean Spaces: $1,990 + $0 egress = $1,990+

Winner: B2 for cold archive. Wasabi wins if you need frequent API reads at scale.

Migration and S3 Compatibility: What Actually Works

All four providers advertise "S3 compatibility," but the depth varies. In practice:

Cloudflare R2 has the most polished S3-compatible API. AWS SDKs, rclone, MinIO clients, and most framework integrations work without modification — just swap the endpoint URL and credentials. Multi-part uploads, presigned URLs, and CORS configuration all function as expected.

Backblaze B2 supports S3-compatible API endpoints alongside its native API. The S3 layer covers the vast majority of real-world operations. The main exception historically was multipart upload edge cases, which have largely been resolved. Using rclone or the AWS CLI against B2 is straightforward.

Wasabi touts "100% S3 compatible" and is generally accurate for standard operations. Some users report edge cases with lifecycle policies and ACL inheritance, but day-to-day workloads using standard AWS SDKs work reliably.

DigitalOcean Spaces is S3-compatible at the core but has a narrower feature surface. Object versioning is limited, and lifecycle rules are less expressive than S3. For most web application use cases this doesn't matter; for complex data pipeline use cases, it may.

Which Provider Should You Choose?

Here's a decision framework that cuts through the pricing complexity:

Choose Cloudflare R2 if: you serve content directly to users from storage, you're already using Cloudflare's network, or you want the simplest zero-egress guarantee without worrying about CDN configuration. The free tier is also the most generous of the four for small projects.

Choose Backblaze B2 if: minimizing pure storage cost is the priority, you serve content through Cloudflare or Fastly (making egress free via the Bandwidth Alliance), or you need a cost-effective destination for large backup sets. At $6/TB, it's the most economical option for storage-heavy workloads.

Choose Wasabi if: you have stable, long-lived data sets that you need to read back frequently via API without paying per-request fees, and you can guarantee objects stay stored for 90+ days. For compliance archives and analytics datasets, the flat-rate model is genuinely attractive.

Choose DigitalOcean Spaces if: your team is already on DigitalOcean infrastructure, you want built-in CDN with zero configuration, and your storage/transfer needs fit comfortably within the $5/month base bundle. Operational simplicity has real value when DevOps time is scarce.

Stick with Amazon S3 if: you need maximum feature depth (object lock, Intelligent-Tiering, deep Lambda integration), operate in regions where alternatives lack presence, or your application relies on advanced IAM policies and fine-grained access control that the alternatives don't fully replicate.

Final Recommendation

For most new projects in 2026, Cloudflare R2 is the default-safe choice: zero egress surprises, solid S3 compatibility, a generous free tier, and global delivery through Cloudflare's network. It removes the biggest bill spike risk while staying within a pricing range that doesn't punish you for scaling up.

For teams optimizing an existing architecture with large stored data and CDN-fronted delivery, Backblaze B2 behind Cloudflare delivers the lowest total cost — sometimes by an order of magnitude compared to Amazon S3.

The one universal takeaway: stop paying $0.09/GB for egress when three viable alternatives charge nothing for it. That single change, on a workload pushing 10 TB outbound per month, saves over $800 a month compared to S3 — enough to fund a meaningful chunk of your compute infrastructure.