When using AionUi, users can choose from three different Google authentication methods: basic authentication by directly entering the Gemini API key; enterprise-level authentication using Google Cloud Vertex AI; and personal authentication via the OAuth protocol. These three methods cover the different needs of individual developers and enterprise users, and the system also provides proxy configuration options in the settings to address network access restrictions that may be encountered.
This answer comes from the articleAionUi: Free, Open Source Gemini CLI GUI ToolThe