Alternatives to Monica

An AI assistant for chat, writing, summarizing and translation, available as an extension and app. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as Monica.

  • Sider

    AI sidebar for the browser that summarizes pages and chats with several AI models.

    FreemiumProprietaryWindowsAndroidiOSWebBrowser extension

    Sider is a freemium AI sidebar with several models, page summaries and notes. It offers extensions plus Windows, Android and iOS apps, but no macOS app is listed.

  • Merlin

    AI assistant for Chrome, web and mobile that chats, summarizes pages and writes content.

    FreemiumProprietaryAndroidiOSWebBrowser extension

    Merlin is a freemium assistant for Chrome, web, Android and iOS with page, search and video summaries and document uploads. There is no desktop app listed.

  • HARPA AI

    Chrome extension that brings several AI models and web automation to any page you visit.

    FreemiumProprietaryBrowser extension

    HARPA AI is mainly a Chrome extension that works with many AI providers and local models. It adds browser automation, data extraction and a Gmail helper.

  • Page Assist

    An open-source browser extension that adds a sidebar and web UI for chatting with local AI models.

    FreeOpen sourceBrowser extension

    Page Assist is a free, open-source browser extension that chats with locally running models such as Ollama. It needs a separate local model server to be useful.

Also worth comparing

These listings name Monica as their own alternative, so the relationship runs both ways.

  • DeepL

    An AI translator and writing assistant for text, documents and speech, with desktop, mobile and browser apps.

    FreemiumProprietaryWindowsmacOSAndroidiOSWebBrowser extension

    Monica is a general AI assistant with built-in translation, chat and summaries across desktop, mobile and browser, rather than a dedicated translator.

  • Immersive Translate

    A translation extension and app that shows bilingual side-by-side translations of web pages, PDFs and videos.

    FreemiumProprietaryAndroidiOSWebBrowser extension

    Monica is a hosted AI assistant with built-in translation among chat and summary tools, available on desktop, mobile and as a Chrome or Edge extension.

  • Poe

    A chat platform from Quora that gives access to several AI models in one place.

    FreemiumProprietaryWeb

    Monica puts several AI model families in a sidebar on any webpage, with PDF, translation and summary tools. It adds desktop, mobile and extension apps.

Similar software

Related functionality, not a direct replacement.