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Amazon S3 alternatives

Object storage · 8 alternatives · Amazon S3 iScore 67 (#2/9)

Every object storage provider this site tracks, ordered by iScore — the same peers Amazon S3's own score is measured against. The line under each name is where its sourced facts differ from Amazon S3's; where a full comparison exists, the row links to it.

Ranked by iScore
  1. Backblaze B2Kind of free offer: Free tier vs Introductory free tier69#1/9
  2. Cloudflare R2Kind of free offer: Free tier vs Introductory free tier67#3/9
  3. StorjKind of free offer: Free trial vs Introductory free tier66#4/9
  4. IDrive e2What the free plan includes: No free storage allowance is published. Egress is free up to three times stored volume an…66#5/9
  5. WasabiFree tier: No vs Yes · Kind of free offer: Free trial vs Introductory free tier65#6/9
  6. TigrisKind of free offer: Free tier vs Introductory free tier65#7/9
  7. Bunny StorageKind of free offer: Free trial vs Introductory free tier65#8/9
  8. Azure Blob StorageFree tier: No vs Yes · Kind of free offer: Free credit vs Introductory free tier64#9/9

Where Amazon S3 stands against these 8

Amazon S3's own sourced figures, placed among the alternatives above that document the same thing in the same unit. A rank here is one criterion, not a verdict; the iScore above weighs all of them.

Free tier
Yes. 3 of the 5 alternatives that document it have one: Backblaze B2, Cloudflare R2, Tigris.
When the free offer ends
6 months after account creation; Free Tier credits expire 12 months after that dateHighest of the 5 that document it. Next: Azure Blob Storage — 30 days.
Egress over allowance
$0.09 per GB for the first 10 TB a month out to the internet, after a free 100 GB aggregated globally5th cheapest of the 5 that document it. Cheapest: Cloudflare R2 — Free.
Uptime SLA
99.9% for S3 Standard, Express One Zone and the Glacier retrieval classes; 99.0% for Intelligent-Tiering…Joint 2nd highest of the 7 that document it. Highest: Bunny Storage — 99.99% uptime guarantee, with SLA credits on a sliding scale from 99.98% down.
Storage price
$0.023 per GB-month for S3 Standard, first 50 TB, in us-east-17th cheapest of the 7 that document it. Cheapest: IDrive e2 — $0.006 per GB per month, or $6 per TB, tierless — the cheapest published rate here.
Operations price
$0.005 per 1,000 PUT, COPY, POST and LIST requests, and $0.004 per 10,000 GET and all other requests, in…Joint 4th cheapest of the 5 that document it. Cheapest: Bunny Storage — None.
Minimum storage duration
None on S3 Standard. 30 days on Standard-IA and One Zone-IA, 90 days on Glacier Instant and Flexible…Joint 2nd highest of the 7 that document it. Highest: Wasabi — 90 days on pay-as-you-go.

No affiliate links, sponsored placements or paid rankings appear on this site. Ordering follows the sourced data and the stated criteria.

A rank whose 80% interval overlaps its neighbour's is an ordering, not a finding; the intervals are on each provider's page and in /scores.json.

When these numbers change, hear about it. Sources are re-checked monthly; a repricing goes out as a short note.

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