Streamlit
Streamlit is an open-source Python framework for building and sharing data applications, acquired by Snowflake in March 2022 for $651 million.
Profile
Streamlit lets data scientists turn Python scripts into interactive web apps without writing HTML, CSS, or JavaScript.
Streamlit is an open-source Python framework for building and sharing data applications, acquired by Snowflake in March 2022 for $651 million. Founded in 2018 by Adrien Treuille, Amanda Kelly, and Thiago Teixeira, the company was originally a standalone startup backed by $35 million in Series B funding from Sequoia Capital. As of mid-2026, Streamlit operates as a Snowflake product, with its community cloud remaining free for public apps and enterprise-grade deployment available through Snowflake.
The framework is used by over 90% of Fortune 50 companies, according to a November 2024 claim on the company website. Streamlit's core value proposition is eliminating the need for front-end engineering: data scientists and machine learning engineers write pure Python scripts that automatically become interactive web apps. The product portfolio includes the open-source library, Streamlit Community Cloud (free, public apps), and Snowflake-native deployment for private, enterprise apps.
In 2026, the project has shipped four major releases (versions 1.53 through 1.57), adding features such as a Starlette/Uvicorn web server, a pinned bottom container (`st.bottom`), direct Polars-to-Arrow conversion, and bundled AI agent skills for coding assistants. The company's financial trajectory is now tied to Snowflake's broader cloud revenue; Snowflake's parent company Alphabet reported Google Cloud revenue of $20.0 billion in Q1 2026, up 63% year-over-year, though Streamlit's specific contribution is not disclosed. The project's GitHub repository remains active with over 37,000 stars.
A notable recent technical shift is the migration from Tornado to Starlette as the default web server, improving ASGI compatibility and performance. The company also hosts in-person events, including an AI Hack Night in Long Beach (May 2026) and a Snowflake Dev Day in San Francisco (June 2026).
Who buys this
- Data scientists and machine learning engineers building internal dashboards or demos
- Enterprise analytics teams that need to deploy data apps behind corporate firewalls
- AI/ML startups prototyping and sharing models with stakeholders
- Academic researchers and educators creating interactive data visualizations for courses or papers
- Fortune 500 companies using Snowflake for enterprise-grade Streamlit deployment
Strengths and what to watch
Strengths
- Open-source adoption is broad and organic: the GitHub repository has over 37,000 stars and the framework is used by more than 90% of Fortune 50 companies, per the company's own November 2024 claim.
- Deep integration with Snowflake's data cloud gives Streamlit a clear enterprise deployment path, including private apps, security, and reliability that the free community tier cannot offer.
- Active development velocity: four major versions shipped in the first five months of 2026 (1.53–1.57), with meaningful technical upgrades like Starlette web server migration and Polars-native data handling.
Watch for
- Streamlit is a wholly owned product of Snowflake, not an independent company; its roadmap and pricing are subject to Snowflake's priorities, which may not always align with the open-source community's interests.
- The free Community Cloud is limited to public apps only, which restricts adoption for teams that need private sharing without paying for Snowflake infrastructure.
- Competition from other Python-to-web frameworks (e.g., Gradio, Dash, Panel) and from low-code/no-code platforms that target the same data-app use case is intensifying, potentially eroding Streamlit's mindshare.
Key Information
- Industry
- Visualization
- Founded
- 2018
- Employees
- 88
- Headquarters
- San Francisco
- Country
- United States
Frequently Asked Questions
What is Streamlit and what does it do?
Streamlit is an open-source Python framework that lets data scientists turn Python scripts into interactive web apps without writing HTML, CSS, or JavaScript. It is used for building and sharing data applications, dashboards, and demos.
Is Streamlit free to use?
Streamlit's open-source library is free. The Streamlit Community Cloud is free for public apps only. For private, enterprise-grade deployment, you need to use Snowflake infrastructure, which has associated costs.
Who owns Streamlit now?
Streamlit was acquired by Snowflake in March 2022 for $651 million. As of mid-2026, it operates as a Snowflake product. Its roadmap and pricing are subject to Snowflake's priorities.
What are the main features of Streamlit in 2026?
In 2026, Streamlit shipped versions 1.53 through 1.57, adding a Starlette/Uvicorn web server, a pinned bottom container (st.bottom), direct Polars-to-Arrow conversion, and bundled AI agent skills for coding assistants.
How does Streamlit compare to other Python web app frameworks?
Streamlit competes with frameworks like Gradio, Dash, and Panel. Its key advantage is simplicity—no front-end code needed. However, it is now tied to Snowflake, which may limit flexibility compared to fully open-source alternatives.
Can I deploy Streamlit apps for enterprise use?
Yes, enterprise deployment is available through Snowflake, providing private apps, security, and reliability. The free Community Cloud only supports public apps. Over 90% of Fortune 50 companies use Streamlit, per the company's November 2024 claim.
Sources
- streamlit.io — Product description, Fortune 50 claim, event listings, and feature demos.
- docs.streamlit.io — 2026 release notes for versions 1.53 through 1.57, including Starlette migration and st.bottom.
- pitchbook.com — Company founding year (2018), acquisition status, deal amount ($651M), and employee count (21).
- techcrunch.com — Series B funding amount ($35M) and lead investor (Sequoia).
- s206.q4cdn.com — Alphabet Q1 2026 earnings showing Google Cloud revenue of $20.0B, up 63% YoY.