head to head · open source
Langchain-Chatchat vs tgpt
Langchain-Chatchat has 38,643 GitHub stars, 6,266 forks, 26 open issues and last shipped 10 months ago. tgpt has 3,263 stars, 346 forks, 12 open issues and last shipped yesterday. Langchain-Chatchat leads on adoption by 1,084% (38,643 vs 3,263 stars). Langchain-Chatchat is written in Python under Apache-2.0; tgpt is written in Go under GPL-3.0. Langchain-Chatchat has attracted 16% as many forks as stars, tgpt 11%. tgpt was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (chatbot, chatgpt, llama), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| Langchain-Chatchat | tgpt | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 3.3K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Go |
| Last push | 2025-11-10 | 2026-09-19 |
| Forks | ⑂ 6.3K | ⑂ 346 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langchain-Chatchat if
- You weight community size — 39K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick tgpt if
- You want the tgpt feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Go
- You evaluated both and tgpt fits your workflow better
About Langchain-Chatchat
Langchain Chatchat (formerly Langchain ChatGLM) is an open source RAG and Agent application built on the Langchain framework and designed to run against local large language models such as ChatGLM, Qwen, and Llama. It lives in the Python ecosystem, is distributed under the Apache 2.0 license, and is published on PyPI as langchain chatchat . The project targets Chinese language scenarios and open source models specifically, with the stated goal of providing a knowledge base question answering solution that can run entirely offline.
read the full Langchain-Chatchat overview →
About tgpt
tgpt is a cross platform command line interface that puts AI chatbots in the terminal, aimed at developers, system administrators and shell centric users who want model access without leaving the command line.
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is Langchain-Chatchat or tgpt more popular?
Langchain-Chatchat has 38,643 GitHub stars and tgpt has 3,263. Langchain-Chatchat has the larger community by that measure.
Are Langchain-Chatchat and tgpt free?
Both are open source. Langchain-Chatchat is licensed under Apache-2.0 and tgpt under GPL-3.0. Neither carries a licence fee.
What is the difference between Langchain-Chatchat and tgpt?
Langchain-Chatchat is written in Python and tgpt in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Langchain-Chatchat or tgpt?
Choose Langchain-Chatchat if you want the larger community (38,643 stars) or its Apache-2.0 licence terms. Choose tgpt if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.