# Vega-Altair

> Declarative statistical visualizations, based on Vega-Lite.

- Category: [Python data visualization libraries](https://awesomedataviz.com/categories/python/)
- Website: https://altair-viz.github.io/
- Repository: https://github.com/vega/altair
- License: BSD-3-Clause
- Language: Python
- Status: Active (commits in the last 90 days)
- GitHub stars: 10,491
- Commits in the last 12 months: 153
- Contributors: 183
- Last commit: Sep 27, 2026
- Latest release: v6.3.0 (Sep 15, 2026)
- Install (PyPI): `pip install altair`, 9.2M downloads per week
- Topics: Jupyter & notebook visualization, Grammar of graphics libraries

## Overview

Vega-Altair is an open-source Python visualization library released under the BSD-3-Clause license. Its GitHub repository has 10,491 stars, 874 forks, and 183 contributors. It is actively developed with 153 commits in the last 12 months. The latest release, v6.3.0, was published on Sep 15, 2026. On PyPI it is downloaded about 9.2M times per week.

## Alternatives

- [Streamlit](https://awesomedataviz.com/tools/streamlit/): Framework for turning Python scripts into interactive data apps. (45.9K stars)
- [Dash](https://awesomedataviz.com/tools/dash/): Framework for building data apps and dashboards in Python, built on Plotly.js and React. (24.4K stars)
- [Matplotlib](https://awesomedataviz.com/tools/matplotlib/): 2D plotting library. (23.3K stars)
- [Bokeh](https://awesomedataviz.com/tools/bokeh/): Interactive Web Plotting for Python. (20.5K stars)
- [Taipy](https://awesomedataviz.com/tools/taipy/): Python framework for building data and AI web applications with interactive charts and dashboards. (19.4K stars)
- [Plotly (Python)](https://awesomedataviz.com/tools/plotly-python/): Interactive web based visualization built on top of plotly.js (18.8K stars)

## Comparisons

- [Vega-Altair vs Vega-Lite](https://awesomedataviz.com/compare/altair-vs-vega-lite/)

Source: https://awesomedataviz.com/tools/altair/ · Data updated 2026-10-04 · Content: CC BY 4.0, Awesome Dataviz (https://awesomedataviz.com).