Best free Monica alternatives

Looking for a free alternative to Monica? Here are 9 browser extensions & copilots worth trying — 9 with a free tier. Monica itself is free tier + paid.

ToolMonica (you searched)Opera Browser AI (Aria)SiderMerlin AI
Pricingfreemiumfreefreemiumfreemium
Best forAll-in-one AI copilot for the browserFree, native AI assistant built into Opera's mainstream and GX browsers, no separate app neededChatGPT/Claude/Gemini in a browser sidebarWorks on any website
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Monica alternatives — straight answers

What is the best free alternative to Monica?

Opera Browser AI (Aria) is the closest free alternative to Monica: same Browser Extensions & Copilots sub-category, and it is free. Free, native AI assistant built into Opera's mainstream and GX browsers, no separate app needed

Are there free Monica alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Opera Browser AI (Aria), Sider, Merlin AI, MaxAI.me, Harpa AI. None of them are paid-only.

Is Monica free?

Monica is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Monica alternatives chosen?

They are the other tools in Browser Extensions & Copilots, then the rest of AI Chat & Assistants, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Monica alternatives

Browse Browser Extensions & Copilots →

Opera Browser AI (Aria)

Browser Extensions & Copilots
free

✦ WhyA Monica alternative — Free, native AI assistant built into Opera's mainstream and GX browsers, no separate app needed.

  • Free, native AI assistant built into Opera's mainstream and GX browsers, no separate app needed
  • Powered by a mix of OpenAI GPT and Google Gemini models under the hood
  • 2025-2026 upgrade added faster models, higher usage limits and access to open-source local models
Visit

Sider

Browser Extensions & Copilots
freemium

✦ WhyA Monica alternative — ChatGPT/Claude/Gemini in a browser sidebar.

  • ChatGPT/Claude/Gemini in a browser sidebar
  • Summarize any page, PDF or YouTube video
  • Translate, rewrite and explain selections
  • Works across every website
Visit

Merlin AI

Browser Extensions & Copilots
freemium

✦ WhyA Monica alternative — Works on any website.

  • Works on any website
  • Summarize YouTube, articles and PDFs
  • Multiple frontier models in one place
  • Social-media reply generator
Visit

MaxAI.me

Browser Extensions & Copilots
freemium

✦ WhyA Monica alternative — One-click rewrite, reply and summarize.

  • One-click rewrite, reply and summarize
  • Chat with any page or image
  • Instant translation and grammar fixes
  • Prompt library built in
Visit

Harpa AI

Browser Extensions & Copilots
freemium

✦ WhyA Monica alternative — AI web automation and monitoring.

  • AI web automation and monitoring
  • Track prices and page changes
  • Scrape and summarize sites
  • Custom command workflows
Visit

Brave Leo

Browser Extensions & Copilots
freemium

✦ WhyA Monica alternative — Built directly into the Brave browser sidebar — no separate site, no account, no signup required for free tier.

  • Built directly into the Brave browser sidebar — no separate site, no account, no signup required for free tier
  • Access to Claude, Mixtral and Llama models without opening a separate chatbot site
  • Conversations never stored on Brave's servers and not used for model training
Visit

Dia

Browser Extensions & Copilots
freemium

✦ WhyA Monica alternative — AI-native Chromium browser (from the makers of Arc) with AI chat built into every tab, not bolted on as a sidebar.

  • AI-native Chromium browser (from the makers of Arc) with AI chat built into every tab, not bolted on as a sidebar
  • Free for light AI use; a Pro tier lifts the usage caps
  • Now backed by Atlassian after its 2026 acquisition of The Browser Company
Visit

Meta AI

General Purpose Chatbots
free

✦ WhyA Monica alternative — Free, powered by Llama 4.

  • Free, powered by Llama 4
  • Built into WhatsApp, Instagram & Messenger
  • Image generation and editing in chat
  • Real-time web answers
Visit

Qwen Chat

General Purpose Chatbots
free

✦ WhyA Monica alternative — Free access to Qwen3-series models.

  • Free access to Qwen3-series models
  • Strong multilingual and coding performance
  • Open weights you can also run locally
  • Vision, web search and artifacts
Visit

Monica head-to-head

Monica vs Opera Browser AI (Aria)Monica vs SiderMonica vs Merlin AIMonica vs MaxAI.meMonica vs Harpa AIMonica vs Brave LeoMonica vs DiaMonica vs Meta AI