Vega-Altair vs Vega-Lite
A data-driven comparison of two data visualization tools: popularity, development activity, licensing and installation. Updated .
Vega-AltairDeclarative statistical visualizations, based on Vega-Lite.
Vega-LiteIs a high-level grammar of interactive graphics. It provides a concise JSON syntax for rapidly generating visualizations to support analysis.
Key differences
- Vega-Altair has 1.9× as many GitHub stars as Vega-Lite (10.5K vs 5.5K).
- Vega-Altair had more development activity over the last 12 months: 153 commits vs 120.
- Both are released under the BSD-3-Clause license.
- Vega-Altair is written primarily in Python, Vega-Lite in TypeScript.
By the numbers
- Vega-Altair
- Vega-Lite
Show data as a table
| Metric | Vega-Altair | Vega-Lite |
|---|---|---|
| GitHub stars | 10,491 | 5,502 |
| Commits, last 12 months | 153 | 120 |
| Contributors | 183 | 205 |
| Forks | 874 | 722 |
Development activity
Commits per month to each default branch, last 12 complete months.
- Vega-Altair
- Vega-Lite
Show data as a table
| Month | Vega-Altair | Vega-Lite |
|---|---|---|
| Oct 2025 | 11 | 9 |
| Nov 2025 | 14 | 12 |
| Dec 2025 | 5 | 4 |
| Jan 2026 | 6 | 8 |
| Feb 2026 | 9 | 6 |
| Mar 2026 | 13 | 11 |
| Apr 2026 | 18 | 25 |
| May 2026 | 2 | 3 |
| Jun 2026 | 40 | 3 |
| Jul 2026 | 7 | 24 |
| Aug 2026 | 9 | 7 |
| Sep 2026 | 19 | 8 |
Side by side
| Attribute | Vega-Altair | Vega-Lite |
|---|---|---|
| Description | Declarative statistical visualizations, based on Vega-Lite. | Is a high-level grammar of interactive graphics. It provides a concise JSON syntax for rapidly generating visualizations to support analysis. |
| Category | Python data visualization libraries | More JavaScript visualization libraries |
| License | BSD-3-Clause | BSD-3-Clause |
| Language | Python | TypeScript |
| Status | Active | Active |
| Latest release | v6.3.0 () | v6.4.3 () |
| Last commit | ||
| Repository created | ||
| Open issues | 124 | 721 |
| Install | pip install altair | npm install vega-lite |
Which should you choose?
Popularity and activity are only part of the story. Consider which ecosystem you work in, the chart types and interactions you need, how much data you render, and whether the license fits your project. Both tool pages list alternatives if neither is quite right.
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Vega-Altair
Declarative statistical visualizations, based on Vega-Lite.
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Vega-Lite
Is a high-level grammar of interactive graphics. It provides a concise JSON syntax for rapidly generating visualizations to support analysis.