Onyx: Open-Source Chat UI for LLMs
Published:Nov 25, 2025 14:20
•1 min read
•Hacker News
Analysis
Onyx presents an open-source chat UI designed to work with various LLMs, including both proprietary and open-weight models. It aims to provide LLMs with tools like RAG, web search, and memory to enhance their utility. The project stems from the founders' experience with the challenges of information retrieval within growing teams and the limitations of existing solutions. The article highlights the shift in user behavior, where users initially adopted their enterprise search project, Danswer, primarily for LLM chat, leading to the development of Onyx. This suggests a market need for a customizable and secure LLM chat interface.
Key Takeaways
- •Onyx is an open-source chat UI designed for LLMs.
- •It aims to provide tools like RAG and web search to enhance LLM capabilities.
- •The project addresses the need for a customizable and secure LLM chat interface.
- •It originated from the observation that users were primarily using their enterprise search project, Danswer, for LLM chat.
Reference
““the connectors, indexing, and search are great, but I’m going to start by connecting GPT-4o, Claude Sonnet 4, and Qwen to provide my team with a secure way to use them””