Best GPT SidePanel Alternatives & Competitors

AI sidebar and browser agent for reading, writing and research

ChatGPT in your browser sidebar, without switching tabs

Your GPT-powered sidekick for every page, PDF and video

All-in-one AI assistant across web, browser, desktop and mobile

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

Summarize, bookmark and write with AI right in your browser

Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail

One browser agent that combines every major AI model with web automation

A prompt library and management layer for ChatGPT and other AI models

Highlight the web, learn in public, and build your AI clone

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser

One AI sidebar for ChatGPT, Claude and Gemini across the web