# pgvector + pgvectorscale: how AI models rank it, September 2026

IT AI Recommendation Index, September 2026 Edition. Named in 4 judge labels across 1 categories by 3 of 12 models. Page: https://it-ai-index.com/vendors/pgvector-pgvectorscale/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Vector databases | 2% | 7 | 0% | 4 |

## What the models said for it

- "Do you already run PostgreSQL? If so, pgvector + pgvectorscale is a strong contender" (MiniMax M2.5, Vector databases)
- "Zero new infra, transactional consistency, and 90% of vector performance for <100M vectors." (GLM 4.7 FlashX, Vector databases)
- "Choose pgvector if: You already use PostgreSQL heavily." (GLM 4.7 FlashX, Vector databases)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, September 2026 Edition, it-ai-index.com.