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Which vector database is best?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
7.6K
CPC
$0.43
Total est. value / mo
$202
Common ways people ask this (13)
  • Which vector database is best for real-time search?
  • Which vector database is best for semantic search?
  • Which vector database is best for recommendation systems?
  • Which vector database is best for AI applications?
  • Which vector database is best for retrieval-augmented generation?
  • Which vector database is best for large-scale deployments?
  • Which vector database is best for small teams?
  • Which vector database is best for startups?
  • Which vector database is best for budget-conscious users?
  • Which vector database is best for high-dimensional vectors?
  • Which vector database is best for hybrid search?
  • Which vector database is best for cloud deployments?
  • Which vector database is best for self-hosted use?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 pinecone.io 5/5 151 $65
2 weaviate.io 5/5 91 $39
3 milvus.io 5/5 61 $26
4 qdrant.tech 5/5 42 $17
5 redis.io 5/5 30 $13
6 mongodb.com 5/5 23 $9
7 aws.amazon.com 5/5 17 $7
8 cloud.google.com 5/5 13 $5
9 azure.microsoft.com 4/5 10 $4
10 datastax.com 4/5 8 $3
11 chromadb.com 2/5 6 $2
12 couchbase.com 3/5 5 $1
13 vespa.ai 5/5 4 $1
14 faiss.ai 4/5 3 $1
15 chroma.com 2/5 2 $0
16 postgresql.org 2/5 2 $0
17 lancedb.com 4/5 2 $0
18 github.com 4/5 1 $0
19 vald.vdaas.org 2/5 1 $0
20 supabase.com 2/5 1 $0
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →