There are 3 open-source alternatives to OpenAI in this directory. The most popular is Fabric with 32.8k GitHub stars, followed by LibreChat(23.2k stars). All are open source, free to use, and many can be self-hosted.
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Fabric Fabric is an open-source framework designed to enhance human capabilities using AI, offering a modular system to solve specific problems through a crowdsourced set of AI prompts. | 32.8k | JavaScript | MIT License |
| 2 | 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 |
| 3 | Evalite Evaluate your LLM-powered applications effectively with TypeScript. Evalite provides tools and interfaces to test and improve the performance of your language model based applications. | 1.4k | TypeScript | MIT License |
Fabric is an open-source framework designed to enhance human capabilities using AI, offering a modular system to solve specific problems through a crowdsourced set of AI prompts.
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.
Evaluate your LLM-powered applications effectively with TypeScript. Evalite provides tools and interfaces to test and improve the performance of your language model based applications.
The top three are Fabric(32.8k stars), LibreChat(23.2k stars), Evalite(1.4k stars). All are open source and free to use.
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.
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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