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PostgreSQL vs ScyllaDB

Updated June 2026 · A structured head-to-head comparison.

The world's most advanced open-source database.

High-performance NoSQL database compatible with Cassandra

The verdict

Both PostgreSQL and ScyllaDB are credible databases tools, and the right pick comes down to your priorities.

Choose PostgreSQL if you want broader platform coverage and a higher overall rating (4.8/5). The world's most advanced open-source database.

ScyllaDB — High-performance NoSQL database compatible with Cassandra

PostgreSQL vs ScyllaDB: side by side

DimensionPostgreSQLScyllaDB
Starting priceFreeFree
Free planYesYes
Pricing modelOpen sourceOpen source
Best forDevelopers, EveryoneDevelopers, Enterprises
PlatformsSelf Hosted, Linux, Windows, MacWinnerSelf Hosted, Api
Rating4.8/5Winner4.4/5

PostgreSQL key facts

Vendor
PostgreSQL Global Dev Group
Pricing
Open source — Free
Free tier
Yes
Platforms
Self Hosted, Linux, Windows, Mac
Best for
Developers, Everyone
Editor rating
4.8 / 5
Founded
1996
Headquarters
Open source

ScyllaDB key facts

Vendor
ScyllaDB
Pricing
Open source — Free
Free tier
Yes
Platforms
Self Hosted, Api
Best for
Developers, Enterprises
Editor rating
4.4 / 5
Founded
2013
Headquarters
Sunnyvale, USA

Frequently asked questions

Is PostgreSQL better than ScyllaDB?

Neither is universally better — PostgreSQL edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is PostgreSQL or ScyllaDB cheaper?

PostgreSQL is the more affordable of the two to get started, at free. PostgreSQL starts at free; ScyllaDB starts at free.

Can PostgreSQL replace ScyllaDB?

Yes for most teams — both are databases tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.