42.0k
Flowise
Build AI Agents visually with ease. Flowise allows intuitive creation and management of AI workflows, making AI development accessible for everyone.
🤖
AI👨💻
Development🛠️
Tools
6 Open Source Alternatives to ChatGPT
There are 6 open-source alternatives to ChatGPT in this directory. The most popular is Flowise with 42.0k GitHub stars, followed by Jan(35.2k stars). All are open source, free to use, and many can be self-hosted.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Flowise Build AI Agents visually with ease. Flowise allows intuitive creation and management of AI workflows, making AI development accessible for everyone. | 42.0k | TypeScript | Other |
| 2 | Jan Jan is an open source alternative to ChatGPT that runs completely offline on your computer, offering privacy and control. | 35.2k | TypeScript | Apache License 2.0 |
| 3 | LibreChat LibreChat is an enhanced ChatGPT clone offering features like agents, DeepSeek, Anthropic, AWS, OpenAI integration, and more. It allows secure multi-user authentication, AI model switching, message search, and supports various AI models and tools for a comprehensive chat experience. It is open-source and self-hostable. | 23.2k | TypeScript | MIT License |
| 4 | ChatALL Concurrently chat with top AI models like ChatGPT, Bing Chat, Bard, and many others to discover the best answers. | 15.6k | JavaScript | Apache License 2.0 |
| 5 | RealChar Create, Customize and Talk to your AI Character/Companion in Realtime. Enjoy seamless natural conversations with AI across mobile, web, and terminal using cutting-edge LLM technologies like OpenAI GPT-3.5/4 and others. | 6.1k | JavaScript | MIT License |
| 6 | Deepchat 🐬DeepChat - A smart assistant that connects powerful AI to your personal world. | 3.7k | TypeScript | Apache License 2.0 |
All open-source alternatives to ChatGPT
35.2k
Jan
Jan is an open source alternative to ChatGPT that runs completely offline on your computer, offering privacy and control.
🤖
AI💻
Desktop🛠️
Tools
23.2k
LibreChat
LibreChat is an enhanced ChatGPT clone offering features like agents, DeepSeek, Anthropic, AWS, OpenAI integration, and more. It allows secure multi-user authentication, AI model switching, message search, and supports various AI models and tools for a comprehensive chat experience. It is open-source and self-hostable.
🤖
AI⚙️
DevOps🔁
API
15.6k
ChatALL
Concurrently chat with top AI models like ChatGPT, Bing Chat, Bard, and many others to discover the best answers.
🤖
AI⚡
Productivity🛠️
Tools
6.1k
RealChar
Create, Customize and Talk to your AI Character/Companion in Realtime. Enjoy seamless natural conversations with AI across mobile, web, and terminal using cutting-edge LLM technologies like OpenAI GPT-3.5/4 and others.
🤖
AI🌐
Web📱
Mobile🛠️
Tools
3.7k
Deepchat
🐬DeepChat - A smart assistant that connects powerful AI to your personal world.
🤖
AI⚡
Productivity🛠️
Tools
Frequently asked questions
What are the best open-source alternatives to ChatGPT?
The top three are Flowise(42.0k stars), Jan(35.2k stars), LibreChat(23.2k stars). All are open source and free to use.
Are these alternatives to ChatGPT free?
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to ChatGPT?
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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