Weaviate VS pgvector

Compare Weaviate vs pgvector and see what are their differences.

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Weaviate pgvector
29 9
1,910 426
7.4% -
9.7 8.4
4 days ago 16 days ago
Go C
BSD 3-clause "New" or "Revised" License GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of Weaviate. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-01.


Posts with mentions or reviews of pgvector. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-30.

What are some alternatives?

When comparing Weaviate and pgvector you can also consider the following projects:

milvus - An open-source vector database for embedding similarity search and AI applications.

go - The Go programming language

jina - Cloud-native neural search framework for 𝙖𝙣𝙮 kind of data

faiss - A library for efficient similarity search and clustering of dense vectors.

vald - Vald. A Highly Scalable Distributed Vector Search Engine

bbolt - An embedded key/value database for Go.

filter - Simple apply/filter/reduce package.

alvd - alvd = A Lightweight Vald. A lightweight distributed vector search engine works without K8s.

nmslib - Non-Metric Space Library (NMSLIB): An efficient similarity search library and a toolkit for evaluation of k-NN methods for generic non-metric spaces.

ann-benchmarks - Benchmarks of approximate nearest neighbor libraries in Python