Compare
Zipper (TinyZipper) vs Neon
Zipper (TinyZipper) The Cellar is sealed-query Postgres with Neon-shaped URLs: DATABASE_URL, pooled, overlay branches. Tenant SQL is parsed on Zipper and never sent to the host parser.
| Capability | Zipper · The Cellar | Neon |
|---|---|---|
| Caption | World's first sealed Postgres | Serverless Postgres |
| Wire protocol | PGWire adapter on Zipper (simple + extended query) | Postgres :5432 + pooled HTTP |
| Credentials | DATABASE_URL password = capability seal | Connection strings / roles |
| Branching | Overlay rows (copy-on-write at the document) | Copy-on-write storage pages |
| SQL safety | Restricted dialect; never reaches host Postgres | Full Postgres in a project |
| Default authz | Fail-closed row policies | Database roles / grants |
| Price unit | US$12/mo workspace · 5 cellars | Compute + storage separately |
| Honest scale | Multi-layered Global Server nodes, Zipper query engine | Multi-region storage/compute split |