Looking for an open-source alternative to OpenAI? Below are 3 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
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 picks from this list are Fabric, LibreChat, Evalite — all maintained, free to use, and self-hostable.
Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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