zvec vs pgvector
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| zvec | pgvector | |
|---|---|---|
| Tagline | A lightweight, lightning-fast, in-process vector database | Open-source vector similarity search for Postgres |
| Stars | 14k | 22k |
| Forks | 847 | 1.2k |
| Open issues | 56 | 14 |
| Language | C++ | C |
| License | Apache-2.0 | Other |
| Last pushed | Jul 7, 2026 | Jul 2, 2026 |
| Categories | Vector Databases | Data & Retrieval |
zvec
Zvec is an open-source vector database designed for efficient similarity searches with minimal setup. It supports full-text search and is optimized for embedding directly into applications.
C++
pgvector
Pgvector is an open-source library that allows users to perform exact and approximate nearest neighbor searches on vectors stored in PostgreSQL. It supports various data types, distance metrics, and quantization techniques.
C