# Cloudflare R2 vs Supabase Storage for Next.js

Both are storage batteries. A repo takes one of them, not both.

| | Cloudflare R2 | Supabase Storage |
| --- | --- | --- |
| What it is | S3-compatible object storage with no egress fees. You get a private bucket, presigned PUT uploads issued only after an authorisation check, and presigned downloads. Bucket CORS and lifecycle rules live in the repo as configuration. A token-only dropzone uploads straight to R2. | Object storage on the Supabase project you already have. A migration creates a private bucket with row level security policies. Signed upload URLs are issued only after an authorisation check. You also get signed downloads, on-the-fly image transformation and a token-only dropzone that uploads straight to storage. |
| Pricing | Free each month: 10 GB stored, 1M Class A and 10M Class B operations. Then $0.015 per GB-month, $4.50 per million Class A operations (writes, lists) and $0.36 per million Class B operations (reads). Egress is free. | Part of your Supabase plan. Free: 1 GB stored and 5 GB egress. Pro: 100 GB stored, then $0.0213/GB, and 250 GB egress, then $0.09/GB ($0.03/GB for cached egress). Image transformations need Pro: 100 origin images included, then $5 per 1,000. |
| Best for | Anything read far more often than it is written, and anything large. User uploads, video, model weights, datasets, backups you may need to pull out again. | Teams already on Supabase who want files under the same policies as their rows. Same migrations, same pull request. Strongest for private per-user files (avatars, invoices, imports) where "the owner and nobody else" is the whole access model. |

- [Build with Cloudflare R2](https://agenticboilerplate.com/build?b=r2)
- [Build with Supabase Storage](https://agenticboilerplate.com/build?b=supabase-storage)

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