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Top Vector Database Software for DataBase

5 of 10 vector database software ranked on evidence in the Q4 2026 edition.

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Q4 2026 edition

5 of 10 vector database software ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is rankedAbout this edition
All vector database software 5 rankedSMEs 5 ranked
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  1. P

    Pinecone

    Vector Database

    Pinecone is a proprietary, fully managed vector database service for teams that want hosted similarity search without running an engine themselves.

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    Why #1: 6 major incidents in 90 days (status page) · SOC 2 Type II · GDPR compliant, HIPAA compliant, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  2. ZC

    Zilliz Cloud

    Vector Database

    Zilliz Cloud is a proprietary, fully managed vector database service powered by Milvus, for teams that want Milvus without operating it.

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    Why #2: No major incidents in 90 days (status page)

    Not yet on record: client reviews, vetting.

  3. C

    Chroma

    Vector Database

    Chroma is an open-source embedding database for AI application developers, usable locally or as the hosted Chroma Cloud service.

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    Why #3 (shared): SOC 2 Type II, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  4. Q

    Qdrant

    Vector Database

    Qdrant is an open-source vector search engine for similarity search with payload filtering, available self-hosted or as a managed cloud service.

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    Why #3 (shared): SOC 2 Type II, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  5. T

    Turbopuffer

    Vector Database

    Turbopuffer is a proprietary, managed search engine offering vector, full-text and filtered search on an object-storage-native design.

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    Why #5: 4 major incidents in 90 days (status page)

    Not yet on record: client reviews, vetting.

  6. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
  7. L

    LanceDB

    Vector Database

    LanceDB is an open-source, embedded vector database built on the Lance columnar format for AI and multimodal data retrieval.

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  8. M

    Milvus

    Vector Database

    Milvus is an open-source vector database for storing and searching embeddings, deployable on your own infrastructure or through Zilliz Cloud.

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  9. P

    pgvector

    Vector Database

    pgvector is an open-source extension that adds vector storage and similarity search to PostgreSQL, so embeddings sit alongside relational data.

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  10. V

    Vespa

    Vector Database

    Vespa is an open-source search and recommendation serving engine combining vector, text and structured retrieval, self-hosted or via Vespa Cloud.

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  11. W

    Weaviate

    Vector Database

    Weaviate is a vector database with hybrid search, available self-hosted or as Weaviate Cloud, with some enterprise features behind a licence key.

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