Comparison table of all supported Embedding Stores - Langchain4j

Embedding Store	Storing Metadata	Filtering by Metadata	Removing Embeddings
In-memory	✅	✅	✅
AlloyDB for Postgres	✅	✅	✅
Amazon S3 Vectors	✅	✅	✅
ArcadeDB	✅	✅	✅
Astra DB	✅
Azure AI Search	✅	✅	✅
Azure CosmosDB Mongo vCore	✅
Azure CosmosDB NoSQL	✅
Cassandra	✅
Chroma	✅	✅	✅
ClickHouse	✅	✅	✅
Cloud SQL for Postgres	✅	✅	✅
Coherence	✅	✅	✅
Couchbase	✅		✅
DuckDB	✅	✅	✅
Elasticsearch	✅	✅	✅
Hibernate	✅	✅	✅
Infinispan	✅	✅	✅
JVector			✅
Mariadb	✅	✅	✅
Milvus	✅	✅	✅
MongoDB Atlas	✅	✅	✅
Neo4j	✅
OceanBase	✅	✅	✅
OpenSearch	✅	✅	✅
Oracle	✅	✅	✅
PGVector	✅	✅	✅
Pinecone	✅	✅	✅
Qdrant	✅	✅	✅
Redis	✅		✅
SQL Server	✅	✅	✅
Tablestore	✅	✅	✅
Vearch	✅
Vespa
Weaviate	✅		✅
YugabyteDB	✅	✅	✅