Streamlit vs Altair

Side-by-side comparison of Streamlit and Altair to help you choose the right tool.

Feature	Streamlit	Altair
Pricing	Free / $250+/mo	Free (open source)
Rating	⭐ 4.6/5	⭐ 4.5/5
Categories	visualization, data-science, spreadsheets	visualization, data-science
Python-native	✅	❌
Widget library	✅	❌
Built-in charts	✅	❌
Data editor	✅	❌
Caching	✅	❌
Component system	✅	❌
Declarative API	❌	✅
Pandas integration	❌	✅
Interactive charts	❌	✅
Faceting	❌	✅
Selections	❌	✅
Vega-Lite output	❌	✅

Turn Python scripts into web apps

Try Streamlit →

Declarative statistical visualization for Python

Try Altair →