Vaex

Overview

Vaex is a high-performance Python library designed for lazy, out-of-core DataFrames to process and visualize tabular datasets that are too large to fit into RAM. Vaex can process over a billion rows per second, enabling interactive data exploration and analysis on datasets with billions of rows.

Installation

Install the full meta-package (recommended):

uv pip install vaex

Minimal install (pick only what you need):

uv pip install vaex-core vaex-viz vaex-hdf5 vaex-ml