All-in-one AI assistant that bundles ChatGPT, Claude, Gemini and more into one browser sidebar for chat, writing, translation, and PDF analysis.

Overview

Monica is a cross-platform AI assistant that aggregates multiple leading models—OpenAI’s GPT series, Anthropic’s Claude, Google’s Gemini, and DeepSeek—behind one lightweight sidebar you summon on any webpage with a shortcut. Rather than forcing you to juggle a dozen separate apps, it positions itself as a universal copilot for reading, writing, research, and translation. The core experience is a Cmd/Ctrl+M panel that can summarize the page you’re reading, rewrite or translate selected text, draft email replies, or chat with uploaded PDFs. It ships as a Chrome and Edge extension, plus desktop apps for Windows and macOS and mobile apps for iOS and Android, syncing context across devices. Beyond chat, Monica bundles an AI image generator, a math solver that shows step-by-step workings, a YouTube highlight extractor, and a ‘humanizer’ that rewrites AI text to read more naturally. For developers there is Monica Code, an IDE extension that brings the same context-aware assistance into VS Code and JetBrains. The product’s pitch is breadth: one subscription replaces a rotating cast of single-purpose tools for the average knowledge worker.

Key Features

  • Multi-model chat: GPT, Claude, Gemini, DeepSeek in one sidebar — enables natural conversation and Q&A.
  • Webpage & YouTube summarizer with one shortcut (Cmd/Ctrl+M) — handles multi-turn dialogue effectively.
  • ChatPDF: upload documents and ask questions or extract summaries — works well for research and brainstorming.
  • 80+ writing templates plus rewrite, translate, and AI-humanize tools — enables natural conversation and Q&A.
  • Cross-platform sync across Chrome, Edge, desktop, and mobile — handles multi-turn dialogue effectively.
  • Monica Code IDE extension for in-editor AI assistance — works well for research and brainstorming.

Pricing

PlanPriceFor
Free$0/moCasual users, 40 daily basic-model accesses
Pro$8.3/mo (billed $99/yr)Individuals, 5,000 basic + 200 advanced/mo
Unlimited$16.6/mo (billed $199/yr)Heavy users, unlimited models + image/video gen

Pricing is subject to change. Check the official website for current plans and regional discounts. Free tiers often have usage limits — evaluate whether those limits match your expected volume before committing.

Comparison

Compared to ChatGPT, Monica is not a standalone model—it is a multi-model shell, so you get GPT, Claude, and Gemini side by side without separate logins, but you trade away ChatGPT’s deepest ecosystem and custom-GPT store. Against Claude, Monica wins on convenience and breadth while Claude remains the stronger single model for long reasoning tasks. Next to Poe, both aggregate models in one app, yet Monica leans harder into browser-native productivity features like PDF chat and webpage summarization rather than just model switching.

Getting Started

  • Open a fresh conversation and give Monica context about what you’re working on — background information dramatically improves response quality.
  • Break complex requests into steps rather than dumping everything in one message — iterative prompting yields better results.
  • Use the conversation history or memory features to maintain context across a long working session.

Compare alternatives

Side-by-side with the 3 closest alternatives.

ToolCategoryPricingVisit
Monica (this) chat, productivity, writeFree $0/mo · From $8.3/mo Site ↗
ChatGPTchat, write, codeFree $0 · From $20/mo Site ↗
Claudechat, write, codeFree $0 · From $20/mo Site ↗
PoechatFree $0 · From $19.99/mo Site ↗
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All-in-one AI assistant that bundles ChatGPT, Claude, Gemini and more into one browser sidebar for chat, writing, translation, and PDF analysis.

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Editor’s Review
4.5/5
Pros
  • +Accesses GPT-5, Claude, Gemini and DeepSeek in a single sidebar
  • +Strong free tier and cross-platform (Chrome, Edge, desktop, mobile)
  • +Built-in ChatPDF, webpage summarizer, and 80+ writing templates
Cons
  • Free plan daily limits are very restrictive
  • Pricing tiers and credit system feel confusing
  • Advanced models heavily gated behind paid plans

Monica is the most convenient all-in-one AI sidekick for everyday browser work, and the model coverage is genuinely best-in-class. The catch is a confusing credit ladder where the free tier is tight and the best models sit behind paid plans.

See all reviews →

Last updated: 2026-08-04

When to use it

  • Use it when you need accesses GPT-5, Claude, Gemini and DeepSeek in a single sidebar
  • Use it when you need strong free tier and cross-platform (Chrome, Edge, desktop, mobile)
  • Use it when you need built-in ChatPDF, webpage summarizer, and 80+ writing templates

When to skip it

  • Avoid it if free plan daily limits are very restrictive
  • Avoid it if pricing tiers and credit system feel confusing
  • Avoid it if advanced models heavily gated behind paid plans

Alternatives to consider