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marimo

Next-gen notebook for data transformation and model training, stored as Git-friendly Python.

Status
Generally available
Last checked
Checked · Oct 15, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

Marimo is a modern notebook environment that simplifies data manipulation and machine learning model development. It stores notebooks as plain Python files, making them easy to version control with Git.

Marimo stands out by storing notebooks as plain Python files, making them easy to integrate with Git and other version control systems.

When it fits — and when it doesn’t

A good fit for

  • Data science teams needing Git-friendly notebook solutions for version control.

  • Developers who prefer working with plain Python files over traditional notebooks.

  • Projects where reproducibility and collaboration are critical.

Look elsewhere if

  • Teams requiring real-time data processing or streaming capabilities.

  • Users looking for a cloud-based, managed notebook service.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited integrations with other tools and platforms

    Lack of official plugins or connectors for popular data sources and ML frameworks

  2. 02

    Small community and limited third-party support

    GitHub repository has a small number of contributors compared to more established platforms like Jupyter

What it does well

  • Simplifies data manipulation and model training in a notebook format.

  • Notebooks are stored as plain Python files for easy Git integration.

  • Supports interactive development with live updates.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up marimo

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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