ParadeDB vs pgvectorscale
ParadeDB: Elasticsearch-quality BM25 search and fast aggregations inside Postgres via the pg_search extension. pgvectorscale: TigerData's Postgres extension adding StreamingDiskANN indexes on top of pgvector.
key differences
- ParadeDB is primarily a search engine database; pgvectorscale is vector.
- Licensing: ParadeDB is open source (copyleft) (GNU AGPL v3 (Community); commercial license for Enterprise); pgvectorscale is open source (permissive) (PostgreSQL License).
- pgvectorscale is built for larger datasets (≤ 1 PB) than ParadeDB (≤ 10 TB).
- Only ParadeDB has columnar storage.
choose paradedb for
- +Search inside a Postgres-backed SaaS app
- +Hybrid search for RAG next to relational data
- +Faceted catalog and marketplace search
- +Replacing Elasticsearch + ETL with one database
best at · Search, Vector search, RAG
choose pgvectorscale for
- +Large pgvector tables that no longer fit HNSW in RAM
- +Cost-efficient RAG on Postgres
- +Filtered semantic search with labels
best at · Vector search, RAG, OLTP
ParadeDB vs pgvectorscale: FAQ
What is the difference between ParadeDB and pgvectorscale?
ParadeDB: Elasticsearch-quality BM25 search and fast aggregations inside Postgres via the pg_search extension. pgvectorscale: TigerData's Postgres extension adding StreamingDiskANN indexes on top of pgvector. ParadeDB is primarily a search engine database; pgvectorscale is vector. Licensing: ParadeDB is open source (copyleft) (GNU AGPL v3 (Community); commercial license for Enterprise); pgvectorscale is open source (permissive) (PostgreSQL License). pgvectorscale is built for larger datasets (≤ 1 PB) than ParadeDB (≤ 10 TB).
When should I choose ParadeDB over pgvectorscale?
Choose ParadeDB for search inside a Postgres-backed SaaS app; hybrid search for RAG next to relational data; and faceted catalog and marketplace search. Choose pgvectorscale for large pgvector tables that no longer fit HNSW in RAM, cost-efficient RAG on Postgres and filtered semantic search with labels.
Is ParadeDB or pgvectorscale more popular?
ParadeDB ranks #122 on the WhichDB Score (25.1/100) and pgvectorscale ranks #243 (13.9/100). Popularity is not fit: check the requirements that matter for your project.
Are ParadeDB and pgvectorscale open source?
Yes. ParadeDB is open source. License: GNU AGPL v3 (Community); commercial license for Enterprise. Yes. pgvectorscale is open source. License: PostgreSQL License.