AlphaMoatによると、2026-09時点でChrome拡張機能Lookup AIのユーザー数は29(前月比 +20.8%)で、9,324件のAIブラウザ拡張機能中6,600位、汎用AIでは2,418件中1,668位です。
Just highlight and click - Lookup AI is a minimalistic lookup assistant that helps you look up information instantly. Lookup AI - Your Smart, Minimalistic Browsing Companion
Ever found something confusing while browsing and had to leave the page to Google it? With Lookup AI, there’s no need to disrupt your flow. Just highlight the text that puzzles you and click the button that quietly resides in the corner of your browser. This minimalistic, non-intrusive assistant stays out of sight until you need it, glowing gently to remind you it's ready to help. One click, and Lookup AI instantly provides the information you need, keeping your browsing seamless and your knowledge up-to-date.
Features:
ChatGPT, DeepSeek, Gemini, Claude, Grok all in one AI sidebar, for AI search, read, and write.
+ 比較Change default search engine to ChatGPT search.
+ 比較One stop AI Assistant with GPT, Claude, Gemini: Chat, Write, Translate, Search, Summarize, image generator, video generation
+ 比較Summarize YouTube videos, web articles, and PDFs to save time, powered by ChatGPT, Claude, Mistral AI, and Gemini.
+ 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。