Side-by-Side AI

Multi-AI prompt broadcast with multi-window tiling and local session history. Warning: Side-by-Side AI is a web UI integration extension, not a standalone AI service or built-in chat UI. It works by opening supported AI websites inside a split-screen workspace, so you must sign in to each AI website in advance before using the extension.

Side-by-Side AI lets you use multiple AI chat websites in one split-screen workspace.

Features:

• Open multiple AI sites side by side
• Broadcast one prompt to selected sites
• @ mention to target specific sites
• # focus mode to expand one site quickly
• Combine the latest visible replies from active AI panes into one follow-up prompt
• Start a new chat across currently opened sites
• Save local prompt history with session recall
• Restore previous site session URLs after reload
• Add custom sites and request permission per site at runtime
• Support image paste/drag upload on supported sites
• Support light/dark theme and language options

Privacy:

• No account signup is required for the extension itself
• No remote server is required for core features
• Data is stored locally in Chrome storage
• Custom sites are only enabled after user-granted site permission