---
title: "Amazon S3 vs Backblaze B2: Which is Better in 2026? | App Stack Builder"
description: "Amazon S3 vs Backblaze B2 compared for 2026: pricing, free tiers, features, pros & cons. See which object storage tool is the better fit for your startup."
source: https://appstackbuilder.com/compare/amazon-s3-vs-backblaze-b2
retrieved: 2026-11-10
---

![](https://www.google.com/s2/favicons?domain=aws.amazon.com&sz=128)

vs

![](https://www.google.com/s2/favicons?domain=backblaze.com&sz=128)

# Amazon S3 vs Backblaze B2: Which is Better in 2026?

Object Storage

[Amazon S3](https://appstackbuilder.com/tools/amazon-s3) and [Backblaze B2](https://appstackbuilder.com/tools/backblaze-b2) are both Object Storage tools, made for different people. Amazon S3 is for anyone building on AWS, and data teams whose tools all expect an S3 bucket. Backblaze B2 is for teams storing backups, media archives or large datasets who want a low per-TB price and free egress within limits.

Quick verdict

There’s no single winner; pick on your constraint. Choose Amazon S3 if your stack already runs on AWS. Choose Backblaze B2 if your bill is driven by storage volume rather than request count.

## Amazon S3 vs Backblaze B2: Side by Side

|                | Amazon S3                                     | Backblaze B2                                     |
| -------------- | --------------------------------------------- | ------------------------------------------------ |
| Category       | Object Storage                                | Object Storage                                   |
| What it is     | Object storage (AWS)                          | S3-compatible object storage                     |
| Storage price  | $0.023 per GB-month (first 50 TB, US East)    | $6.95 per TB-month                               |
| Egress         | Paid after 100 GB a month                     | Free up to 3x stored, then $0.01 per GB          |
| Free access    | AWS Free Tier credits                         | First 10 GB free                                 |
| API            | Native S3                                     | S3-compatible                                    |
| Pricing        | From $0.023/mo                                | From $6.95/mo                                    |
| Starting price | From $0.023/mo                                | From $6.95/mo                                    |
| Free tier      | —                                             | —                                                |
| Rating         | 4.7                                           | 4.5                                              |
| Best for       | Object Storage: AWS, data lakes, integrations | Object Storage: backups, low cost, S3-compatible |

Ratings are App Stack Builder’s editorial score out of 5, not an average of user reviews.

## Pros & Cons

![](https://www.google.com/s2/favicons?domain=aws.amazon.com&sz=128)

[Amazon S3](https://appstackbuilder.com/tools/amazon-s3)

* ✓Every data tool integrates with it
* ✓Many storage classes for cold data
* ✓Mature security and lifecycle rules
* ✗Egress fees add up for public downloads
* ✗Request costs surprise small-file workloads
* ✗Pricing has many line items

![](https://www.google.com/s2/favicons?domain=backblaze.com&sz=128)

[Backblaze B2](https://appstackbuilder.com/tools/backblaze-b2)

* ✓Low per-TB storage price
* ✓Generous free egress
* ✓S3-compatible
* ✓Most API calls free
* ✗Fewer regions than the hyperscalers
* ✗No archive tiers
* ✗Smaller integration ecosystem

## Key Features Compared

### Amazon S3

* ✓S3 Standard: $0.023 per GB-month for the first 50 TB in US East (N. Virginia), falling to $0.021 above 500 TB
* ✓PUT, COPY, POST and LIST: $0.005 per 1,000 requests; GET: $0.0004 per 1,000
* ✓First 100 GB a month of data transfer out free, aggregated across AWS
* ✓New customers since July 15 2025 get up to $200 in Free Tier credits

### Backblaze B2

* ✓$6.95 per TB-month, billed by the byte-hour
* ✓Free egress up to 3x average monthly storage, then $0.01 per GB
* ✓Free egress through many CDN and compute partners
* ✓Class A, B and C API calls free; Class D $0.004 per 10,000 after 2,500 free a day
* ✓First 10 GB always free; S3-compatible API

### Choose Amazon S3 if…

* ✓Budget is tight: paid plans start lower ($0.023/mo vs $6.95/mo).
* ✓Your stack already runs on AWS.
* ✓You need lifecycle rules and cheaper classes for ageing data.
* ✓You want the bucket every data tool supports out of the box.

[Amazon S3 review & pricing ](https://appstackbuilder.com/tools/amazon-s3)

### Choose Backblaze B2 if…

* ✓Your bill is driven by storage volume rather than request count.
* ✓You download a moderate share of what you store.
* ✓You want S3 compatibility at a lower per-TB price.

[Backblaze B2 review & pricing ](https://appstackbuilder.com/tools/backblaze-b2)

## Frequently Asked Questions

Is Amazon S3 better than Backblaze B2?⌄

There’s no single winner; pick on your constraint. Choose Amazon S3 if your stack already runs on AWS. Choose Backblaze B2 if your bill is driven by storage volume rather than request count.

What is the difference between Amazon S3 and Backblaze B2?⌄

What it is. Amazon S3: Object storage (AWS). Backblaze B2: S3-compatible object storage. Storage price. Amazon S3: $0.023 per GB-month (first 50 TB, US East). Backblaze B2: $6.95 per TB-month. Egress. Amazon S3: Paid after 100 GB a month. Backblaze B2: Free up to 3x stored, then $0.01 per GB. Free access. Amazon S3: AWS Free Tier credits. Backblaze B2: First 10 GB free. API. Amazon S3: Native S3\. Backblaze B2: S3-compatible.

Amazon S3 vs Backblaze B2: which is cheaper?⌄

Amazon S3 pricing: From $0.023/mo. Backblaze B2 pricing: From $6.95/mo. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, Amazon S3 or Backblaze B2?⌄

On our editorial score, Amazon S3 is 4.7 out of 5 and Backblaze B2 is 4.5 out of 5, so Amazon S3 is slightly ahead. This is our own score, not an average of user reviews.

When should I skip both Amazon S3 and Backblaze B2?⌄

Skip Amazon S3 if your users download a lot of what you store. Cloudflare R2 charges no egress. Skip Backblaze B2 if you need archive tiers or deep AWS integration. Amazon S3 offers both.

Sources · tool facts checked November 2026

1. 1.[Amazon S3 pricingaws.amazon.com ](https://aws.amazon.com/s3/pricing/)
2. 2.[AWS price list API (S3, us-east-1)pricing.us-east-1.amazonaws.com ](https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonS3/current/us-east-1/index.json)
3. 3.[Backblaze B2 pricingbackblaze.com ](https://www.backblaze.com/cloud-storage/pricing)

See more options in our guide to the [best object storage tools for startups](https://appstackbuilder.com/categories/object-storage).

## Still not sure which to pick?

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