Top 11 ai infrastructure · vector dbs that work with Langchain
Pinecone is the highest-ranked provider in the Top 11 The 11 Best Vector Databases (2026) that integrates with Langchain.
Why this answer
Filtered to entries that publicly document a Langchain integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.
Showing all 10 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best Vector Databases (2026).
#1Pinecone(rank #1 in The 11 Best Vector Databases (2026))
9.2/9.4The top choice for a high-performance, fully managed vector database that just works.
Full Pinecone review · Compare: Pinecone vs Weaviate · Alternatives
#2Weaviate(rank #2 in The 11 Best Vector Databases (2026))
9.1/9.4Top open-source choice with excellent developer experience and powerful hybrid search.
#3Zilliz (Milvus)(rank #3 in The 11 Best Vector Databases (2026))
9/9.4The go-to for massive-scale, enterprise deployments based on open-source Milvus.
#4Qdrant(rank #4 in The 11 Best Vector Databases (2026))
8.9/9.4A highly performant and efficient vector database written in Rust.
#5Chroma(rank #5 in The 11 Best Vector Databases (2026))
8.7/9.4The most developer-friendly choice for getting started with vector search.
#6Elasticsearch(rank #7 in The 11 Best Vector Databases (2026))
8.3/9.4A mature, integrated solution for teams already using the Elastic stack.
#7Redis(rank #8 in The 11 Best Vector Databases (2026))
8.1/9.4Leverages in-memory speed for extremely fast, real-time vector search.
#8SingleStore(rank #9 in The 11 Best Vector Databases (2026))
7.9/9.4A powerful distributed SQL database with integrated vector search capabilities.
#9Rockset(rank #10 in The 11 Best Vector Databases (2026))
7.7/9.4The best choice for real-time vector search on streaming data.
#10pgvector (PostgreSQL Extension)(rank #11 in The 11 Best Vector Databases (2026))
7.2/9.4A pragmatic choice for adding vector search to an existing Postgres stack.
Methodology: /methodology · No paid placement ever · Verified .