/r/vectordatabase/

r/vectordatabase

11k members
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r/vectordatabase is a subreddit with 11k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses vector, database, vector database, search, and rag, 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
: "Pinecone’s new $50/mo minimum just nuked my hobby project - what are my best self-hosted alternatives?"
23 posts
#2
Advice Requests
: "Do any of you generate vector embeddings locally?"
15 posts
#3
Pain & Anger
: "pgvector HNSW m and ef_construction parameters problem"
3 posts
#4
Ideas
: "Should I start a vectorDB startup?"
2 posts
#5
Self-Promotion
: "[Open Source Project] DataBridge: Modular multi-modal RAG solution"
1 post
#6
News
: "Qdrant: From Berlin Startup to Your Kubernetes Cluster"
1 post

Popular Topics in r/vectordatabase

#1

Vector

: "Why Vector databases are a scam."
126 posts
#2

Database

: "Why vector Databases are a scam."
97 posts
#3

Vector Database

: "Vector Databases explained simply"
59 posts
#4

Search

: "Vectroid Free Tier: 100GB of vector Search, free for life"
48 posts
#5

Rag

: "Build Your Own Knowledge-Based Rag Copilot w/ Pinecone, Anthropic, & CopilotKit"
38 posts
#6

Ai

: "What is the best tech stack for personal doc Ai search"
26 posts
#7

Embedding

: "Do any of you generate vector Embeddings locally?"
15 posts
#8

Vector Databases

: "How long do you think Vector Databases will have?"
14 posts
#9

Weekly Thread

14 posts
#10

Benchmark

: "Benchmark: pgvector vs Pinecone vs Qdrant vs Weaviate"
13 posts

Products Discussed in r/vectordatabase

Database

5 reviews
#1
OpenSearch
3.0★ from 1 review
#2
MariaDB
4.0★ from 1 review
#3
Quadrant
5.0★ from 1 review

Etl Tool

2 reviews
#1
Airbyte
4.0★ from 1 review
#2
Amphi ETL
4.0★ from 1 review

Member Growth in r/vectordatabase

Yearly
+5k members(74.3%)

Similar Subreddits to r/vectordatabase

/r/aisearch

r/aisearch

170 members
25.9% / yr
/r/OpenWebUI

r/OpenWebUI

20k members
116.0% / yr
/r/Rag

r/Rag

72k members
162.9% / yr

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Last updated: June 10, 2026