Monica
71Multi-model AI assistant living in a browser sidebar
3 products our research names as a replacement for Voila in Browser Extensions & Copilots, each with what it does differently — prices, API and status from our own checks rather than from the vendors’ own pages.
Multi-model AI assistant living in a browser sidebar
from $9.90 against $10 · has a public API
Voila vs Monica →Browser sidebar that puts GPT, Claude, Gemini, and other models next to any page you're reading.
Browser extension pairing chat models with web page automation
Not named as direct replacements — neighbours from the same part of the catalog: the best-rated first, then a sample of the rest.
Chrome and Firefox extension that turns your ChatGPT conversation history into an interactive visual timeline.
Browser sidebar running many chat models on any page
Browser sidebar for chatting with several AI models at once, plus summarizing, translating, and pulling text out of images or PDFs.
Free Chrome extension that opens ChatGPT in an overlay on any page with a keyboard shortcut
Chrome sidebar that opens on any page with several chat models in one panel.
Browser for Mac and Windows whose assistant answers across your open tabs, Slack, Notion, Teams, calendar and GitHub
A Chrome extension that adds ChatGPT summarizing, research, and translation to any page without switching tabs.
Browser side-panel extension that sorts tabs into spaces and runs an AI agent over what you have open.
Desktop browser from Opera with a built-in AI sidebar, tab grouping, split-screen, and free VPN.
Browser extension that adds a context-aware AI chat, backed by 100+ models, to any web page
Opt-in AI layer inside the Arc browser: link previews, tidier tab titles and renamed downloads
An AI-native web browser from Norton's parent company, built on Chromium.
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