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

IT AI Recommendation Index, October 2026 Edition. 112 of the 252 answers in the 1 category where Weaviate 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/weaviate/alternatives/

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

- pgvector: 42
- Qdrant: 19
- Pinecone: 11
- Chroma: 9
- Milvus: 3
- Actian VectorAI DB: 1

## Vector databases

**Small business**: 42 of 84 answers did not name Weaviate (Weaviate is #4 of 7 at 5%).

- pgvector: first choice in 25 of those 42
- Qdrant: first choice in 9 of those 42
- Chroma: first choice in 5 of those 42
- Pinecone: first choice in 2 of those 42
- Supabase pgvector: first choice in 1 of those 42

**Mid-market**: 36 of 84 answers did not name Weaviate (Weaviate is #5 of 10 at 5%).

- pgvector: first choice in 12 of those 36
- Qdrant: first choice in 8 of those 36
- Chroma: first choice in 4 of those 36
- Milvus: first choice in 2 of those 36
- Actian VectorAI DB: first choice in 1 of those 36
- Pinecone: first choice in 1 of those 36
- PostgreSQL with vector support: first choice in 1 of those 36
- Supabase: first choice in 1 of those 36

**Enterprise**: 34 of 84 answers did not name Weaviate (Weaviate is #4 of 10 at 7%).

- Pinecone: first choice in 8 of those 34
- pgvector: first choice in 5 of those 34
- Qdrant: first choice in 2 of those 34
- Milvus: first choice in 1 of those 34
- Zilliz Cloud: first choice in 1 of those 34

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