Weaviate VS pgvector

Compare Weaviate vs pgvector and see what are their differences.

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Weaviate pgvector
30 9
1,936 430
4.2% -
9.7 8.3
4 days ago 25 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 2021-11-29.


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.

jina - Cloud-native neural search framework for ๐™–๐™ฃ๐™ฎ kind of data

go - The Go programming language

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

vald - Vald. A Highly Scalable Distributed Vector Search Engine

filter - Simple apply/filter/reduce package.

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.

bbolt - An embedded key/value database for Go.

pg_search - pg_search builds ActiveRecord named scopes that take advantage of PostgreSQLโ€™s full text search

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