Panelize

Compare AI assistants side by side in one window. Send one prompt and review responses faster.

Stop switching tabs to compare AI answers. Panelize lets you send one prompt to multiple AI assistants and view their responses side by side in a single window. Compare answers, writing styles, reasoning, and code suggestions without copying and pasting between tabs. Why Panelize? • One prompt, multiple AI responses • Flexible layouts from 1×1 to 4×2 • Built-in prompt library with reusable templates and variables • Keyboard shortcuts for faster workflows • Image support — attach once and reuse across panels • One-click privacy mode • Local-first design: no account required, no tracking, no analytics Perfect for: • Researchers comparing answer quality • Writers exploring different tones and phrasings • Developers reviewing code suggestions • Anyone who wants a clearer way to compare AI-assisted analysis Works with leading AI chat sites — see the GitHub README for the full list of supported providers. Open source: https://github.com/Manho/Panelize