AI Chat Sync is a Chrome browser plugin designed to enhance user interaction with multiple AI chat websites simultaneously. This free add-on allows users to quickly open various AI chat platforms and facilitates synchronous communication across them. By enabling users to compare responses from different large language models, it streamlines the process of finding optimal answers to inquiries.

Key features of AI Chat Sync include the ability to open multiple AI chat websites with a single click and various opening methods such as current window tab, new window tab, and different tiling options. Additionally, the plugin supports synchronous chat functionality, allowing questions to be sent to multiple AI platforms at once. Users can also add new AI chat websites and customize their chat rules for a tailored experience.