head to head · open source
langchain vs streamlit
langchain has 147,625 GitHub stars, 24,760 forks, 492 open issues and last shipped yesterday. streamlit has 45,943 stars, 4,419 forks, 1,200 open issues and last shipped yesterday. langchain leads on adoption by 221% (147,625 vs 45,943 stars). langchain is written in Python under MIT; streamlit is written in Python under Apache-2.0. langchain has attracted 17% as many forks as stars, streamlit 10%. langchain was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| langchain | streamlit | |
|---|---|---|
| GitHub stars | ★ 148K | ★ 46K |
| License | MIT | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-10-11 | 2026-10-11 |
| Forks | ⑂ 25K | ⑂ 4.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick langchain if
- You weight community size — 148K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick streamlit if
- You want the streamlit feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and streamlit fits your workflow better
About langchain
LangChain is an open source framework for building agents and LLM powered applications, written in Python and released under the MIT license. It lives in the AI and machine learning ecosystem, specifically among AI development platforms, and it works by chaining together interoperable components and third party integrations so that AI application development becomes simpler. The project describes itself as the agent engineering platform, and its abstractions are designed to keep applications working as the underlying technology evolves.
read the full langchain overview →
About streamlit
Streamlit is an open source Python framework for turning scripts into interactive web apps, aimed at data scientists, ML engineers, and analysts who need dashboards, reports, and chat interfaces without building front end code.
read the full streamlit overview →
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Frequently asked questions
Is langchain or streamlit more popular?
langchain has 147,625 GitHub stars and streamlit has 45,943. langchain has the larger community by that measure.
Are langchain and streamlit free?
Both are open source. langchain is licensed under MIT and streamlit under Apache-2.0. Neither carries a licence fee.
What is the difference between langchain and streamlit?
langchain is written in Python and streamlit in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, langchain or streamlit?
Choose langchain if you want the larger community (147,625 stars) or its MIT licence terms. Choose streamlit if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.