# Which vector database has the best reviews?

Category: Vector Databases. Intent: commercial. Top brand: Zilliz Cloud.

Page: https://slateindex.ai/prompt/which-vector-database-has-the-best-reviews-3ell3vwlag · data of 2026-11-02

## Brands named

| Brand | Share of engines |
|---|---|
| Pinecone | 100% |
| Qdrant | 100% |
| Zilliz Cloud | 67% |
| PostgreSQL | 67% |
| Weaviate | 67% |
| MongoDB Atlas | 33% |
| Elasticsearch | 33% |

## Sources

- g2.com (9)
- toolradar.com (2)
- awesomeagents.ai (1)
- citehawk.com (1)
- geekflare.com (1)
- github.com (1)
- instaclustr.com (1)
- peerspot.com (1)
- pinecone.io (1)
- qdrant.tech (1)
- subrupt.com (1)
- weaviate.io (1)
- zilliz.com (1)

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “Which vector database has the best reviews?”, https://slateindex.ai/prompt/which-vector-database-has-the-best-reviews-3ell3vwlag, data of 2026-11-02. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).