head to head · open source
LobeChat vs FastGPT
LobeChat has 82,665 GitHub stars, 15,901 forks, 922 open issues and last shipped today. FastGPT has 29,694 stars, 7,319 forks, 172 open issues and last shipped today. LobeChat leads on adoption by 178% (82,665 vs 29,694 stars). LobeChat is written in TypeScript under a custom or non-standard licence; FastGPT is written in TypeScript under a custom or non-standard licence. LobeChat has attracted 19% as many forks as stars, FastGPT 25%. LobeChat was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (agent, claude, deepseek), 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.
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Side by side
| LobeChat | FastGPT | |
|---|---|---|
| GitHub stars | ★ 83K | ★ 30K |
| License | Custom / other | Custom / other |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 16K | ⑂ 7.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LobeChat if
- You weight community size — 83K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick FastGPT if
- You want the FastGPT feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and FastGPT fits your workflow better
About LobeChat
LobeHub is an open source platform for managing, building, and operating AI agent teams. It functions as a Chief Agent Operator (CAO), enabling users to organize, schedule, and monitor autonomous AI agents around the clock. The project lives in the AI interaction and interfaces ecosystem, integrating with major LLM providers like OpenAI, Anthropic, DeepSeek, and Alibaba’s GLM series.
read the full LobeChat overview →
About FastGPT
FastGPT is an open source AI knowledge base platform built on large language models (LLMs). It provides integrated tools for data ingestion, vector retrieval (RAG), and visual workflow orchestration, enabling users to construct and deploy question answering applications without writing extensive backend code. The platform runs on Next.js and supports integration with multiple LLM providers including OpenAI, Claude, DeepSeek, Qwen, and others.
read the full FastGPT overview →
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Frequently asked questions
Is LobeChat or FastGPT more popular?
LobeChat has 82,665 GitHub stars and FastGPT has 29,694. LobeChat has the larger community by that measure.
Are LobeChat and FastGPT free?
Neither LobeChat nor FastGPT declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between LobeChat and FastGPT?
LobeChat is written in TypeScript and FastGPT in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, LobeChat or FastGPT?
Choose LobeChat if you want the larger community (82,665 stars) or its Custom / other licence terms. Choose FastGPT if its feature set, stack or Custom / other licence fits better. Both are self-hostable.