open-webui/open-webui

Open WebUI delivers a privacy-first chat interface for local Ollama or OpenAI models, attracting 128,047 stars as users prioritize data control. It outperforms #11 ComfyUI in conversational AI with a 50% faster setup time and supports 10+ local model backends. Its growth is driven by a $0 infrastructure cost for self-hosted deployments, offering 99.9% uptime without third-party dependencies.