Jetbrains Datalore vs Marimo:
a side-by-side comparison for 2025

A powerful online environment for Jupyter notebooks. Use smart coding assistance for Python in online Jupyter notebooks, run code on powerful CPUs and GPUs, collaborate in real-time, and easily share the results.

Marimo is an open-source reactive notebook for Python — reproducible, git-friendly, executable as a script, and shareable as an app.