# storage.so

> Independent monthly cost comparison for S3-compatible object storage: Cloudflare R2, Backblaze B2, Wasabi, Hetzner Object Storage, Scaleway Multi-AZ, IDrive e2, AWS S3 Standard, MinIO on Hetzner. Public list prices checked 2026-10-08, USD before tax. Estimates, not quotes.

The comparison covers storage, public egress, write and read requests, free tiers, bundles, and minimum bills. It flags workloads that break a provider's published limits, such as Wasabi's 1× egress fair-use guideline, and never recommends those providers. Self-hosted MinIO on Hetzner is shown as a hardware-only baseline.

Calculator URLs need JavaScript to show results. Agents should read the markdown or JSON below and compute the estimate from the published rules.

## Pricing data

- [Pricing (markdown)](https://storage.so/pricing.md): providers, limits, worked examples, and the exact calculation rules
- [Pricing (JSON)](https://storage.so/pricing.json): the same data with raw rates, limits, and precomputed example comparisons (schemaVersion 1)

## Pages

- [Calculator](https://storage.so/#calculator): interactive comparison. Scenario URL format: `/?storage=GB&egress=GB&writes=MILLIONS&reads=MILLIONS#calculator`
- [Storage for AI agents](https://storage.so/agents): why request counts and retention rules dominate agent storage bills

## Optional

- [Sitemap](https://storage.so/sitemap.xml)