# pgvector alternatives: what AI models name instead, October 2026

IT AI Recommendation Index, October 2026 Edition. 109 of the 252 answers in the 1 category where pgvector holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://it-ai-index.com/vendors/pgvector/alternatives/

## Named instead, most often (every category and segment added)

- Pinecone: 47
- Qdrant: 14
- Weaviate: 6
- Milvus: 5
- Chroma: 2
- Elastic: 1

## Vector databases

**Small business**: 24 of 84 answers did not name pgvector (pgvector is #1 of 7 at 49%).

- Pinecone: first choice in 9 of those 24
- Qdrant: first choice in 7 of those 24
- Chroma: first choice in 2 of those 24
- Weaviate: first choice in 2 of those 24
- Supabase pgvector: first choice in 1 of those 24

**Mid-market**: 29 of 84 answers did not name pgvector (pgvector is #1 of 10 at 35%).

- Pinecone: first choice in 10 of those 29
- Qdrant: first choice in 4 of those 29
- Milvus: first choice in 2 of those 29
- PostgreSQL with vector support: first choice in 1 of those 29
- Supabase: first choice in 1 of those 29
- Weaviate: first choice in 1 of those 29

**Enterprise**: 56 of 84 answers did not name pgvector (pgvector is #5 of 10 at 7%).

- Pinecone: first choice in 28 of those 56
- Milvus: first choice in 3 of those 56
- Qdrant: first choice in 3 of those 56
- Weaviate: first choice in 3 of those 56
- Elastic: first choice in 1 of those 56
- Elasticsearch: first choice in 1 of those 56
- Self-Hosted Qdrant: first choice in 1 of those 56
- Zilliz Cloud: first choice in 1 of those 56

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.