Vector stores
A vector store stores embedded data and performs similarity search.
Select embedding model:
Select embeddings model:
pip install -qU langchain-openai
import getpass
import os
if not os.environ.get("OPENAI_API_KEY"):
os.environ["OPENAI_API_KEY"] = getpass.getpass("Enter API key for OpenAI: ")
from langchain_openai import OpenAIEmbeddings
embeddings = OpenAIEmbeddings(model="text-embedding-3-large")
Select vector store:
Select vector store:
pip install -qU langchain-core
from langchain_core.vectorstores import InMemoryVectorStore
vector_store = InMemoryVectorStore(embeddings)
| Vectorstore | Delete by ID | Filtering | Search by Vector | Search with score | Async | Passes Standard Tests | Multi Tenancy | IDs in add Documents |
|---|---|---|---|---|---|---|---|---|
| AstraDBVectorStore | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
| Chroma | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Clickhouse | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ | ❌ | ✅ |
| CouchbaseSearchVectorStore | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ |
| DatabricksVectorSearch | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
| ElasticsearchStore | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
| FAISS | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
| InMemoryVectorStore | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ✅ |
| Milvus | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| MongoDBAtlasVectorSearch | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ |
| openGauss | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ✅ |
| PGVector | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
| PGVectorStore | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ |
| PineconeVectorStore | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ | ✅ |
| QdrantVectorStore | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ |
| Redis | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
| Weaviate | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ |
| SQLServer | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | ✅ |
All Vectorstores
| Name | Description |
|---|---|
| Activeloop Deep Lake | Activeloop Deep Lake as a Multi-Modal Vector Store that stores embedd... |
| Alibaba Cloud OpenSearch | Alibaba Cloud Opensearch is a one-stop platform to develop intelligen... |
| AnalyticDB | AnalyticDB for PostgreSQL is a massively parallel processing (MPP) da... |
| Annoy | Annoy (Approximate Nearest Neighbors Oh Yeah) is a C++ library with P... |
| Apache Doris | Apache Doris is a modern data warehouse for real-time analytics. |
| ApertureDB | ApertureDB is a database that stores, indexes, and manages multi-moda... |
| Astra DB Vector Store | This page provides a quickstart for using Astra DB as a Vector Store. |
| Atlas | Atlas is a platform by Nomic made for interacting with both small and... |
| AwaDB | AwaDB is an AI Native database for the search and storage of embeddin... |
| Azure Cosmos DB Mongo vCore | This notebook shows you how to leverage this integrated vector databa... |
| Azure Cosmos DB No SQL | This notebook shows you how to leverage this integrated vector databa... |
| Azure AI Search | Azure AI Search (formerly known as Azure Search and Azure Cognitive S... |
| Bagel | Bagel (Open Inference platform for AI), is like GitHub for AI data. |
| BagelDB | BagelDB (Open Vector Database for AI), is like GitHub for AI data. |
| Baidu Cloud ElasticSearch VectorSearch | Baidu Cloud VectorSearch is a fully managed, enterprise-level distrib... |
| Baidu VectorDB | Baidu VectorDB is a robust, enterprise-level distributed database ser... |
| Google Bigtable | This guide covers the BigtableVectorStore integration for using Googl... |
| Apache Cassandra | This page provides a quickstart for using Apache Cassandra® as a Vect... |
| Chroma | This notebook covers how to get started with the Chroma vector store. |
| Clarifai | Clarifai is an AI Platform that provides the full AI lifecycle rangin... |
| ClickHouse | ClickHouse is the fastest and most resource efficient open-source dat... |
| CloudflareVectorize | This notebook covers how to get started with the CloudflareVectorize ... |
| Couchbase | Couchbase is an award-winning distributed NoSQL cloud database that d... |
| DashVector | DashVector is a fully-managed vectorDB service that supports high-dim... |
| Databricks | Databricks Vector Search is a serverless similarity search engine tha... |
| IBM Db2 Vector Store and Vector Search | LangChain's Db2 integration (langchain-db2) provides vector store and... |
| DingoDB | DingoDB is a distributed multi-mode vector database, which combines t... |
| DocArray HnswSearch | DocArrayHnswSearch is a lightweight Document Index implementation pro... |
| DocArray InMemorySearch | DocArrayInMemorySearch is a document index provided by Docarray that ... |
| Amazon Document DB | Amazon DocumentDB (with MongoDB Compatibility) makes it easy to set u... |
| DuckDB | This notebook shows how to use DuckDB as a vector store. |
| China Mobile ECloud ElasticSearch VectorSearch | China Mobile ECloud VectorSearch is a fully managed, enterprise-level... |
| Elasticsearch | Elasticsearch is a distributed, RESTful search and analytics engine, ... |
| Epsilla | Epsilla is an open-source vector database that leverages the advanced... |
| Faiss | Facebook AI Similarity Search (FAISS) is a library for efficient simi... |
| Faiss (Async) | Facebook AI Similarity Search (Faiss) is a library for efficient simi... |
| FalkorDBVectorStore | FalkorDB is an open-source graph database with integrated support for... |
| Gel | An implementation of LangChain vectorstore abstraction using gel as t... |
| Google AlloyDB for PostgreSQL | AlloyDB is a fully managed relational database service that offers hi... |
| Google BigQuery Vector Search | Google Cloud BigQuery Vector Search lets you use GoogleSQL to do sema... |
| Google Cloud SQL for MySQL | Cloud SQL is a fully managed relational database service that offers ... |
| Google Cloud SQL for PostgreSQL | Cloud SQL is a fully managed relational database service that offers ... |
| Firestore | Firestore is a serverless document-oriented database that scales to m... |
| Google Memorystore for Redis | Google Memorystore for Redis is a fully-managed service that is power... |
| Google Spanner | Spanner is a highly scalable database that combines unlimited scalabi... |
| Google Vertex AI Feature Store | Google Cloud Vertex Feature Store streamlines your ML feature managem... |
| Google Vertex AI Vector Search | This notebook shows how to use functionality related to the Google Cl... |
| Hippo | Transwarp Hippo is an enterprise-level cloud-native distributed vecto... |
| Hologres | Hologres is a unified real-time data warehousing service developed by... |
| Infinispan | Infinispan is an open-source key-value data grid, it can work as sing... |
| Jaguar Vector Database | 1. It is a distributed vector database |
| KDB.AI | KDB.AI is a powerful knowledge-based vector database and search engin... |
| Kinetica | Kinetica is a database with integrated support for vector similarity ... |
| LanceDB | LanceDB is an open-source database for vector-search built with persi... |
| Lantern | Lantern is an open-source vector similarity search for Postgres |
| Lindorm | This notebook covers how to get started with the Lindorm vector store. |
| LLMRails | LLMRails is a API platform for building GenAI applications. It provid... |
| ManticoreSearch VectorStore | ManticoreSearch is an open-source search engine that offers fast, sca... |
| MariaDB | LangChain's MariaDB integration (langchain-mariadb) provides vector c... |
| Marqo | This notebook shows how to use functionality related to the Marqo vec... |
| Meilisearch | Meilisearch is an open-source, lightning-fast, and hyper relevant sea... |
| Amazon MemoryDB | Vector Search introduction and langchain integration guide. |
| Milvus | Milvus is a database that stores, indexes, and manages massive embedd... |
| Momento Vector Index (MVI) | MVI: the most productive, easiest to use, serverless vector index for... |
| MongoDB Atlas | This notebook covers how to MongoDB Atlas vector search in LangChain,... |
| MyScale | MyScale is a cloud-based database optimized for AI applications and s... |
| Neo4j Vector Index | Neo4j is an open-source graph database with integrated support for ve... |
| NucliaDB | You can use a local NucliaDB instance or use Nuclia Cloud. |
| Oceanbase | This notebook covers how to get started with the Oceanbase vector sto... |
| openGauss | This notebook covers how to get started with the openGauss VectorStor... |
| OpenSearch | OpenSearch is a scalable, flexible, and extensible open-source softwa... |
| Oracle AI Vector Search: Vector Store | Oracle AI Vector Search is designed for Artificial Intelligence (AI) ... |
| Pathway | Pathway is an open data processing framework. It allows you to easily... |
| Postgres Embedding | Postgres Embedding is an open-source vector similarity search for Pos... |
| PGVecto.rs | This notebook shows how to use functionality related to the Postgres ... |
| PGVector | An implementation of LangChain vectorstore abstraction using postgres... |
| PGVectorStore | PGVectorStore is an implementation of a LangChain vectorstore using p... |
| Pinecone | Pinecone is a vector database with broad functionality. |
| Pinecone (sparse) | Pinecone is a vector database with broad functionality. |
| Qdrant | Qdrant (read: quadrant) is a vector similarity search engine. It prov... |
| Redis | This notebook covers how to get started with the Redis vector store. |
| Relyt | Relyt is a cloud native data warehousing service that is designed to ... |
| Rockset | Rockset is a real-time search and analytics database built for the cl... |
| SAP HANA Cloud Vector Engine | SAP HANA Cloud Vector Engine is a vector store fully integrated into ... |
| ScaNN | ScaNN (Scalable Nearest Neighbors) is a method for efficient vector s... |
| SemaDB | SemaDB from SemaFind is a no fuss vector similarity database for buil... |
| SingleStore | SingleStore is a robust, high-performance distributed SQL database so... |
| scikit-learn | scikit-learn is an open-source collection of machine learning algorit... |
| SQLiteVec | This notebook covers how to get started with the SQLiteVec vector sto... |
| SQLite-VSS | SQLite-VSS is an SQLite extension designed for vector search, emphasi... |
| SQLServer | Azure SQL provides a dedicated Vector data type that simplifies the c... |
| StarRocks | StarRocks is a High-Performance Analytical Database. |
| Supabase (Postgres) | Supabase is an open-source Firebase alternative. Supabase is built on... |
| SurrealDBVectorStore | SurrealDB is a unified, multi-model database purpose-built for AI sys... |
| Tablestore | Tablestore is a fully managed NoSQL cloud database service. |
| Tair | Tair is a cloud native in-memory database service developed by Alibab... |
| Tencent Cloud VectorDB | Tencent Cloud VectorDB is a fully managed, self-developed, enterprise... |
| ThirdAI NeuralDB | NeuralDB is a CPU-friendly and fine-tunable vector store developed by... |
| TiDB Vector | TiDB Cloud, is a comprehensive Database-as-a-Service (DBaaS) solution... |
| Tigris | Tigris is an open-source Serverless NoSQL Database and Search Platfor... |
| TileDB | TileDB is a powerful engine for indexing and querying dense and spars... |
| Timescale Vector (Postgres) | Timescale Vector is PostgreSQL++ vector database for AI applications. |
| Typesense | Typesense is an open-source, in-memory search engine, that you can ei... |
| Upstash Vector | Upstash Vector is a serverless vector database designed for working w... |
| USearch | USearch is a Smaller & Faster Single-File Vector Search Engine |
| Vald | Vald is a highly scalable distributed fast approximate nearest neighb... |
| VDMS | This notebook covers how to get started with VDMS as a vector store. |
| Vearch | Vearch is the vector search infrastructure for deeping learning and A... |
| Vectara | Vectara is the trusted AI Assistant and Agent platform which focuses ... |
| Vespa | Vespa is a fully featured search engine and vector database. It suppo... |
| viking DB | viking DB is a database that stores, indexes, and manages massive emb... |
| vlite | VLite is a simple and blazing fast vector database that allows you to... |
| Weaviate | This notebook covers how to get started with the Weaviate vector stor... |
| Xata | Xata is a serverless data platform, based on PostgreSQL. It provides ... |
| YDB | YDB is a versatile open source Distributed SQL Database that combines... |
| Yellowbrick | Yellowbrick is an elastic, massively parallel processing (MPP) SQL da... |
| YugabyteDB | This notebook covers how to get started with the YugabyteDB vector st... |
| Zep | Recall, understand, and extract data from chat histories. Power perso... |
| Zep Cloud | Recall, understand, and extract data from chat histories. Power perso... |
| ⚡ ZeusDB Vector Store | ZeusDB is a high-performance, Rust-powered vector database with enter... |
| Zilliz | Zilliz Cloud is a fully managed service on cloud for LF AI Milvus®, |