Best Self-hosted vector databases

qdrant.tech

94.7%

95% CI 87.2–97.9%

72 mentions · avg pos 6.1

first pick 30.6%

milvus.io

94.7%

95% CI 87.2–97.9%

72 mentions · avg pos 7.2

first pick 25%

weaviate.io

92.1%

95% CI 83.8–96.3%

70 mentions · avg pos 8

first pick 5.7%

Best for: AI recommends pgvector most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (92.3% of those answers)

73.7%

95% CI 62.8–82.3%

56 mentions · avg pos 10.4

first pick 12.5%

trychroma.com

Best for: AI recommends Chroma most when buyers ask “best open-source vector database I can run on my own infrastructure for AI applications” (100% of those answers)

59.2%

95% CI 48–69.6%

45 mentions · avg pos 11.4

first pick 4.4%

postgresql.org

Best for: AI recommends PostgreSQL most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (92.3% of those answers)

56.6%

95% CI 45.4–67.1%

43 mentions · avg pos 9.9

first pick 14%

redis.io

Best for: AI recommends Redis most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (92.3% of those answers)

51.3%

95% CI 40.3–62.2%

39 mentions · avg pos 9.8

first pick 5.1%

Best for: AI recommends HNSW most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (76.9% of those answers)

43.4%

95% CI 32.9–54.6%

33 mentions · avg pos 7.2

first pick 21.2%

Best for: AI recommends Postgres most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (46.2% of those answers)

31.6%

95% CI 22.2–42.7%

24 mentions · avg pos 5.5

first pick 16.7%

kubernetes.io

Best for: AI recommends Kubernetes most when buyers ask “best open-source vector database I can run on my own infrastructure for AI applications” (46.2% of those answers)

30.3%

95% CI 21.1–41.3%

23 mentions · avg pos 10.4

first pick 17.4%

faiss.ai

Best for: AI recommends FAISS most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (69.2% of those answers)

27.6%

95% CI 18.8–38.6%

21 mentions · avg pos 8.6

first pick 0%

opensearch.org

Best for: AI recommends OpenSearch most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (53.8% of those answers)

26.3%

95% CI 17.7–37.2%

20 mentions · avg pos 13.1

first pick 0%

docker.com

Best for: AI recommends Docker most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (46.2% of those answers)

23.7%

95% CI 15.5–34.4%

18 mentions · avg pos 10.8

first pick 11.1%

graphql.org

Best for: AI recommends GraphQL most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (53.8% of those answers)

23.7%

95% CI 15.5–34.4%

18 mentions · avg pos 20.6

first pick 5.6%

zenml.io

Best for: AI recommends ZenML most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (46.2% of those answers)

21.1%

95% CI 13.4–31.5%

16 mentions · avg pos 3.5

first pick 0%

elastic.co

Best for: AI recommends Elasticsearch most when buyers ask “which open-source vector database has the best support for filtering and hybrid search” (38.5% of those answers)

21.1%

95% CI 13.4–31.5%

16 mentions · avg pos 18.3

first pick 0%

lancedb.com

Best for: AI recommends LanceDB most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (38.5% of those answers)

19.7%

95% CI 12.3–30%

15 mentions · avg pos 15.3

first pick 6.7%

firecrawl.dev

Best for: AI recommends Firecrawl most when buyers ask “what open-source vector database scales best for a billion-vector similarity search use case” (58.3% of those answers)

17.1%

95% CI 10.3–27.1%

13 mentions · avg pos 4.4

first pick 7.7%

pinecone.io

Best for: AI recommends Pinecone most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (53.8% of those answers)

17.1%

95% CI 10.3–27.1%

13 mentions · avg pos 6

first pick 7.7%

vespa.ai

Best for: AI recommends Vespa most when buyers ask “what open-source vector database scales best for a billion-vector similarity search use case” (33.3% of those answers)

15.8%

95% CI 9.3–25.6%

12 mentions · avg pos 4.9

first pick 0%

langchain.com

Best for: AI recommends LangChain most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (38.5% of those answers)

14.5%

95% CI 8.3–24.1%

11 mentions · avg pos 14.3

first pick 0%

instaclustr.com

Best for: AI recommends Instaclustr most when buyers ask “which open-source vector database has the best support for filtering and hybrid search” (53.8% of those answers)

13.2%

95% CI 7.3–22.6%

10 mentions · avg pos 12

first pick 0%

llamaindex.ai

Best for: AI recommends LlamaIndex most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (38.5% of those answers)

13.2%

95% CI 7.3–22.6%

10 mentions · avg pos 15.6

first pick 0%

aws.amazon.com

Best for: AI recommends AWS most when buyers ask “self-hosted vector database for a startup AI product vs enterprise machine learning platform — what fits each” (46.2% of those answers)

9.2%

95% CI 4.5–17.8%

7 mentions · avg pos 12

first pick 0%

openmetal.io

Best for: AI recommends OpenMetal most when buyers ask “self-hosted vector database for a startup AI product vs enterprise machine learning platform — what fits each” (38.5% of those answers)

9.2%

95% CI 4.5–17.8%

7 mentions · avg pos 16

first pick 0%

zilliz.com

Best for: AI recommends Zilliz most when buyers ask “open-source vector database alternatives to expensive managed vector search cloud services” (38.5% of those answers)

7.9%

95% CI 3.7–16.2%

6 mentions · avg pos 7.2

first pick 0%

liveblocks.io

Best for: AI recommends Liveblocks most when buyers ask “self-hosted vector database for a startup AI product vs enterprise machine learning platform — what fits each” (30.8% of those answers)

6.6%

95% CI 2.8–14.5%

5 mentions

first pick 0%

pingcap.com

Best for: AI recommends TiDB Vector Search most when buyers ask “how do I choose a self-hosted vector database for powering a retrieval-augmented generation system” (38.5% of those answers)

6.6%

95% CI 2.8–14.5%

5 mentions

first pick 0%

3.9%

95% CI 1.4–11%

3 mentions · avg pos 1

first pick 33.3%

3.9%

95% CI 1.4–11%

3 mentions · avg pos 2.5

first pick 33.3%

3.9%

95% CI 1.4–11%

3 mentions · avg pos 5.7

first pick 0%

lakefs.io

3.9%

95% CI 1.4–11%

3 mentions · avg pos 9

first pick 0%

qdrant.io

3.9%

95% CI 1.4–11%

3 mentions · avg pos 9.7

first pick 0%

databricks.com

3.9%

95% CI 1.4–11%

3 mentions · avg pos 16.5

first pick 0%

3.9%

95% CI 1.4–11%

3 mentions · avg pos 20.5

first pick 0%

cloud.google.com

3.9%

95% CI 1.4–11%

3 mentions · avg pos 26

first pick 0%

azure.microsoft.com

3.9%

95% CI 1.4–11%

3 mentions · avg pos 27

first pick 0%

pytorch.org

2.6%

95% CI 0.7–9.1%

2 mentions · avg pos 4

first pick 0%

mongodb.com

2.6%

95% CI 0.7–9.1%

2 mentions · avg pos 28.5

first pick 0%

fast.io

2.6%

95% CI 0.7–9.1%

2 mentions

first pick 0%

2.6%

95% CI 0.7–9.1%

2 mentions

first pick 0%

valkey.io

2.6%

95% CI 0.7–9.1%

2 mentions

first pick 0%

tensorflow.org

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 3

first pick 0%

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 7

first pick 0%

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 7

first pick 0%

onyx.app

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 9

first pick 0%

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 18

first pick 0%

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 28

first pick 0%

dataiku.com

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 29

first pick 0%

1.3%

95% CI 0.2–7.1%

1 mentions · avg pos 30

first pick 0%

atlan.com

1.3%

95% CI 0.2–7.1%

1 mentions

first pick 0%

digitalocean.com

1.3%

95% CI 0.2–7.1%

1 mentions

first pick 0%

f6s.com

1.3%

95% CI 0.2–7.1%

1 mentions

first pick 0%

openalternative.co

1.3%

95% CI 0.2–7.1%

1 mentions

first pick 0%

scylladb.com

1.3%

95% CI 0.2–7.1%

1 mentions

first pick 0%

yugabyte.com

1.3%

95% CI 0.2–7.1%

1 mentions

first pick 0%