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SurrealDB vs Couchbase Server: catalog facts
SurrealDB	Couchbase Server
Freemium The database can be run yourself; a fully managed cloud service is also offered.	Freemium A community edition is available; enterprise and hosted options are sold by Couchbase.
Windows, Self-hosted, Command line	macOS, Self-hosted
Documents, graphs, vectors and relational data in one engine One query language for SQL, graph and vector search	JSON documents queried with SQL++ In-memory architecture with built-in search and vector services
Business Source License rather than an OSI open-source license SurrealQL is its own language to learn	Aimed mainly at business deployments More complex to operate than a single-node database
Downloadable app, Self-hosted, Hosted service	Self-hosted
Closed source	Closed source
License: BUSL-1.1	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.