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).

  1. #1Pinecone(rank #1 in The 11 Best Vector Databases (2026))

    9.2/9.4

    The top choice for a high-performance, fully managed vector database that just works.

    Full Pinecone review · Compare: Pinecone vs Weaviate · Alternatives

  2. #2Weaviate(rank #2 in The 11 Best Vector Databases (2026))

    9.1/9.4

    Top open-source choice with excellent developer experience and powerful hybrid search.

    Full Weaviate review · Alternatives

  3. #3Zilliz (Milvus)(rank #3 in The 11 Best Vector Databases (2026))

    9/9.4

    The go-to for massive-scale, enterprise deployments based on open-source Milvus.

    Full Zilliz (Milvus) review · Alternatives

  4. #4Qdrant(rank #4 in The 11 Best Vector Databases (2026))

    8.9/9.4

    A highly performant and efficient vector database written in Rust.

    Full Qdrant review · Alternatives

  5. #5Chroma(rank #5 in The 11 Best Vector Databases (2026))

    8.7/9.4

    The most developer-friendly choice for getting started with vector search.

    Full Chroma review · Alternatives

  6. #6Elasticsearch(rank #7 in The 11 Best Vector Databases (2026))

    8.3/9.4

    A mature, integrated solution for teams already using the Elastic stack.

    Full Elasticsearch review · Alternatives

  7. #7Redis(rank #8 in The 11 Best Vector Databases (2026))

    8.1/9.4

    Leverages in-memory speed for extremely fast, real-time vector search.

    Full Redis review · Alternatives

  8. #8SingleStore(rank #9 in The 11 Best Vector Databases (2026))

    7.9/9.4

    A powerful distributed SQL database with integrated vector search capabilities.

    Full SingleStore review · Alternatives

  9. #9Rockset(rank #10 in The 11 Best Vector Databases (2026))

    7.7/9.4

    The best choice for real-time vector search on streaming data.

    Full Rockset review · Alternatives

  10. #10pgvector (PostgreSQL Extension)(rank #11 in The 11 Best Vector Databases (2026))

    7.2/9.4

    A pragmatic choice for adding vector search to an existing Postgres stack.

    Full pgvector (PostgreSQL Extension) review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .