Marimo

marimo is an open-source Coding & Development tool that provides a reactive Python notebook environment. It allows users to explore data, build apps, and run SQL queries, stored as Git-friendly Python.

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At a glance

Pricing

Free · Open Source

Free tier

Yes

API

Skill level

Technical

About

What is marimo?

marimo is a next-generation, open-source Python notebook designed for data and AI workflows, emphasizing reproducibility and reliability. It offers a reactive execution model where changing one cell automatically updates all dependent cells, eliminating manual state management. marimo notebooks are stored as pure Python files, making them Git-friendly, reusable as modules, and executable as scripts. The platform includes built-in interactive elements like sliders, dropdowns, and dataframe tables for fast data exploration. It features first-class SQL support for various databases and an AI-native editor with copilots, inline edits, and context-aware chat, supporting multiple LLMs. marimo can be deployed as web apps, run in browsers via WASM, or executed as CLI scripts, providing a versatile environment for developers, data scientists, and AI engineers.

Best used for

Ideal for developers and data scientists who need to build interactive data applications, explore datasets, and train machine learning models. Especially valuable for those seeking a Git-friendly, reproducible, and reactive Python notebook environment that can be easily shared as web apps or run as scripts.

Common actions

develop Python applications

analyze data interactively

manage code versions

build AI models

query databases

.py notebooksreactivedeveloper experienceAI workflowssql-in-pythonapp deploymentcontext-awaregit-friendlycoding assistancePython+ 8 more

Capabilities

Key features

Reactive Python notebooks
Git-friendly .py files
Interactive UI elements
SQL query support
AI-native editor
Deploy as web apps
Reproducible execution

Target Audience

developerdata scientistanalystML engineer

Integrations

duckdbsqlitepostgresqlmysqlopenaianthropicgoogle-gemini

Pricing & Plans

Free · Open Source

molab (cloud-hosted marimo notebook workspace)

FAQs

How does marimo compare to Jupyter notebooks?

marimo offers reactive execution, automatically updating dependent cells, and stores notebooks as pure Python files for better Git integration. Unlike Jupyter's JSON format, marimo's approach minimizes merge conflicts and enhances reproducibility, making it a modern alternative for data science and AI workflows.

Can marimo notebooks be deployed as web applications?

Yes, marimo notebooks can be easily shared as interactive web applications. They can be exported to WebAssembly-powered HTML or served directly as web apps using the marimo CLI, allowing for broad accessibility and deployment without extensive re-writing.

What kind of AI assistance does marimo provide?

marimo features an AI-native editor with capabilities like GitHub Copilot-style autocomplete, error auto-fixing, inline edits, and context-aware chat. It supports integration with various large language models, including OpenAI, Anthropic, Google Gemini, and local models, enhancing the development experience.

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