r/vectordatabase is a subreddit with 12k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses vector database, vector search, vector, rag, and graph, and they frequently recommend/review database and etl tool.
A place to discuss open-source vector database and vector search applications, features and functionality to drive next-generation solutions. Check out our own Open-source Github at https://github.com/milvus-io/
Popular Themes in r/vectordatabase
#1
Solution Requests
: "best vector db for 1M rows?"
5 posts
#2
Advice Requests
: "please help on my use case for semantic search"
4 posts
#3
Self-Promotion
: "I built an open-source Turbopuffer desktop GUI (Electron + React) for dev/debugging"
1 post
Popular Topics in r/vectordatabase
#1
Vector Database
: "Vector Database benchmarks are almost all vendor-optimized and the industry barely talks about it"
24 posts
#2
Vector Search
: "Improving Vector Search for Jobs with Semantic Gating"
17 posts
#3
Vector
: "Improving Vector Search for Jobs with Semantic Gating"
17 posts
#4
Rag
: "Feedback wanted: Reflex - Hybrid Rag and reranking system"
7 posts
#5
Graph
: "Do you actually need a Graph database for Graph RAG?"
6 posts
#6
Embedding
: "An Embedding compression experiment for vector search"
5 posts
#7
Benchmark
: "Benchmark: pgvector vs Pinecone vs Qdrant vs Weaviate"
4 posts
#8
Pinecone
: "Benchmark: pgvector vs Pinecone vs Qdrant vs Weaviate"
4 posts
#9
Weaviate
: "Benchmark: pgvector vs Pinecone vs Qdrant vs Weaviate"
4 posts
#10
Qdrant
: "Benchmark: pgvector vs Pinecone vs Qdrant vs Weaviate"
3 posts
Member Growth in r/vectordatabase
Yearly
+4k members(58.9%)
Similar Subreddits to r/vectordatabase
r/aisearch
174 members
28.9% / yr
r/mongodb
29k members
12.1% / yr
r/OpenWebUI
22k members
105.9% / yr
r/Rag
75k members
110.4% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/vectordatabase, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: August 4, 2026