Who Perplexity recommends for vector databases.
Updated 9 October 202615 Perplexity answers
We asked Perplexity 5 buyer prompts 3 times each on 9 October 2026, with live web search on, and counted every product its 15 usable answers named. This page is Perplexity alone; the full ranking compares every engine and quotes every answer.
Who Perplexity recommends.
| # | Product | Share of answers | Avg. position |
|---|---|---|---|
| 1 | Qdrantqdrant.tech | 100% 15 of 15 answers | |
| 2 | Weaviateweaviate.io | 100% 15 of 15 answers | |
| 3 | Pineconepinecone.io | 80% 12 of 15 answers | |
| 4 | Milvusmilvus.io | 80% 12 of 15 answers | |
| 5 | pgvectorpostgresql.org | 60% 9 of 15 answers | |
| 6 | Chromatrychroma.com | 47% 7 of 15 answers | |
| 7 | OpenSearchopensearch.org | 40% 6 of 15 answers | |
| 8 | Supabasesupabase.com | 27% 4 of 15 answers | |
| 9 | Elasticsearchelastic.co | 20% 3 of 15 answers | |
| 9 | MongoDB Atlasmongodb.com | 20% 3 of 15 answers | |
| 11 | Annoygithub.com | 20% 3 of 15 answers | |
| 12 | Redisredis.io | 13% 2 of 15 answers | |
| 13 | Cloudflare Vectorizedevelopers.cloudflare.com | 7% 1 of 15 answers | |
| 13 |  Amazon Aurora PostgreSQL with pgvectoraws.amazon.com | 7% 1 of 15 answers |
What this does and does not show.
- Counted from Perplexity’s 15 usable answers of 15 planned.
- Products level on share of answers and average position share a rank: the measurement shows no difference between them.
- Counted as one product under reviewed spellings: “Zilliz Cloud” as Milvus; “MongoDB Atlas Vector Search” as MongoDB Atlas; “pgvector for PostgreSQL” as pgvector; “Pinecone Serverless” as Pinecone; “Qdrant Cloud” as Qdrant; “Supabase Vector” and “Supabase with pgvector” as Supabase; “Weaviate Cloud” as Weaviate.
- AI answers vary from run to run and with each person’s history and settings. This is what Perplexity answered on 9 October 2026, asked fresh each time, not what every user will see.
- One engine and one month. Another engine, or next month, can name different products.
Not affiliated with or endorsed by Perplexity.How it works · Every engine for vector databases · According to ChatGPT · According to Claude