Monica

What it does

Monica is an all-in-one AI assistant that brings multiple AI models together for chatting, writing, research and more. It works on the web, in browser extensions, and on desktop and mobile. The site says it is trusted by 10 million users worldwide.

Monica is a multi-model AI assistant. The homepage says it uses models such as GPT-6.1 Sol, Claude Opus 5.5 and Gemini 3.8 Flash for chat, search, writing, coding and creative tasks. It runs on the web, in browser extensions, and on desktop and mobile. A sidebar gives access to AI features from any web page, a toolbar can explain, translate or summarize selected text, and a writing assistant can draft or rewrite content. The site also lists tools for summarizing web pages and YouTube videos, analyzing emails, translating pages, and generating images. It says it is built for professionals, including entrepreneurs, analysts, researchers, developers, marketing and customer service teams. The homepage states that you can start using Monica for free, with a daily usage limit for free users, and that advanced features may need a paid version. The page does not list prices, so check the pricing page for current plan details.