AlphaMoatによると、2026-09時点でChrome拡張機能Side Copilotのユーザー数は10で、10,223件のAIブラウザ拡張機能中9,831位、汎用AIでは2,615件中2,525位です。
A side copilot for your browsing experience. Side Copilot brings the power of AI or any website right to your browser sidebar. You can pin your favorite AI assistant, productivity tools, or any custom web app to always stay within reach while browsing.
Flexible and fully configurable, Side Copilot lets you:
Stay focused and work smarter — your side companion is always just one click away.
Read pages and carry out browser tasks with Claude, while retaining control over its actions
+ 比較ChatGPT for Chrome lets the assistant control the browser, automate tasks, and answer questions on any page.
+ 比較Use multiple AI models in a browser sidebar to read, write, translate, and work with files
+ 比較ChatGPT search makes ChatGPT the default search engine in Chrome for fast, sourced answers.
+ 比較Monica is an all-in-one AI assistant in the browser, combining chat, research, writing, translation, search and image creation behind one shortcut.
+ 比較YouTube Summary with ChatGPT & Claude turns long videos, web articles and PDFs into short summaries so you can skip the parts you do not need.
+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。