This is documentation for LangChain v0.1, which is no longer actively maintained. Check out the docs for the
latest version here.
This is documentation for LangChain v0.1, which is no longer actively maintained.
Learn about how the self-querying retriever works here.
📄️ Deep LakeDeep Lake is a multimodal database for building AI applications
📄️ Astra DB (Cassandra)DataStax Astra DB is a serverless vector-capable database built on Cassandra and made conveniently available through an easy-to-use JSON API.
📄️ ChromaChroma is a vector database for building AI applications with embeddings.
📄️ DashVectorDashVector is a fully managed vector DB service that supports high-dimension dense and sparse vectors, real-time insertion and filtered search. It is built to scale automatically and can adapt to different application requirements.
📄️ Databricks Vector SearchDatabricks Vector Search is a serverless similarity search engine that allows you to store a vector representation of your data, including metadata, in a vector database. With Vector Search, you can create auto-updating vector search indexes from Delta tables managed by Unity Catalog and query them with a simple API to return the most similar vectors.
📄️ DingoDBDingoDB is a distributed multi-mode vector database, which combines the characteristics of data lakes and vector databases, and can store data of any type and size (Key-Value, PDF, audio, video, etc.). It has real-time low-latency processing capabilities to achieve rapid insight and response, and can efficiently conduct instant analysis and process multi-modal data.
📄️ ElasticsearchElasticsearch is a distributed, RESTful search and analytics engine.
📄️ MilvusMilvus is a database that stores, indexes, and manages massive embedding vectors generated by deep neural networks and other machine learning (ML) models.
📄️ MongoDB AtlasMongoDB Atlas is a document database that can be
📄️ MyScaleMyScale is an integrated vector database. You can access your database in SQL and also from here, LangChain.
📄️ OpenSearchOpenSearch is a scalable, flexible, and extensible open-source software suite for search, analytics, and observability applications licensed under Apache 2.0. OpenSearch is a distributed search and analytics engine based on Apache Lucene.
📄️ PGVector (Postgres)PGVector is a vector similarity search package for Postgres data base.
📄️ PineconePinecone is a vector database with broad functionality.
📄️ QdrantQdrant (read: quadrant) is a vector similarity search engine. It provides a production-ready service with a convenient API to store, search, and manage points - vectors with an additional payload. Qdrant is tailored to extended filtering support.
📄️ RedisRedis is an open-source key-value store that can be used as a cache, message broker, database, vector database and more.
📄️ Supabase (Postgres)Supabase is an open-source Firebase alternative.
📄️ Tencent Cloud VectorDBTencent Cloud VectorDB is a fully managed, self-developed, enterprise-level distributed database service designed for storing, retrieving, and analyzing multi-dimensional vector data.
📄️ Timescale Vector (Postgres)Timescale Vector is PostgreSQL++ for AI applications. It enables you to efficiently store and query billions of vector embeddings in PostgreSQL.
📄️ VectaraVectara is the trusted GenAI platform that provides an easy-to-use API for document indexing and querying.
📄️ WeaviateWeaviate is an open-source vector database. It allows you to store data objects and vector embeddings from
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