polars VS vaex

Compare polars vs vaex and see what are their differences.


Fast multi-threaded, hybrid-out-of-core query engine focussing on DataFrame front-ends (by ritchie46)


Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀 (by vaexio)
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polars vaex
133 7
20,584 8,021
3.8% 0.5%
9.9 7.8
5 days ago about 1 month ago
Rust Python
MIT License MIT License
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 polars. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-07-10.


Posts with mentions or reviews of vaex. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-06-03.

What are some alternatives?

When comparing polars and vaex you can also consider the following projects:

modin - Modin: Scale your Pandas workflows by changing a single line of code

arrow-datafusion - Apache Arrow DataFusion SQL Query Engine

DataFrames.jl - In-memory tabular data in Julia

Apache Arrow - Apache Arrow is a multi-language toolbox for accelerated data interchange and in-memory processing

datatable - A Python package for manipulating 2-dimensional tabular data structures

db-benchmark - reproducible benchmark of database-like ops

rust-numpy - PyO3-based Rust bindings of the NumPy C-API

data.table - R's data.table package extends data.frame:

tidypolars - Tidy interface to polars

hdf5-rust - HDF5 for Rust

arrow2 - Transmute-free Rust library to work with the Arrow format

rust-csv - A CSV parser for Rust, with Serde support.