Best free Harpa AI alternatives

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

ToolHarpa AI (you searched)Opera Browser AI (Aria)SiderMonica
Pricingfreemiumfreefreemiumfreemium
Best forAI web automation and monitoringFree, native AI assistant built into Opera's mainstream and GX browsers, no separate app neededChatGPT/Claude/Gemini in a browser sidebarAll-in-one AI copilot for the browser
VisitOpen ↗Open ↗Open ↗Open ↗

Harpa AI alternatives — straight answers

What is the best free alternative to Harpa AI?

Opera Browser AI (Aria) is the closest free alternative to Harpa AI: 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 Harpa AI alternatives?

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

Is Harpa AI free?

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

How were these Harpa AI 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 Harpa AI alternatives

Browse Browser Extensions & Copilots →

Opera Browser AI (Aria)

Browser Extensions & Copilots
free

✦ WhyA Harpa AI 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 Harpa AI 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

Monica

Browser Extensions & Copilots
freemium

✦ WhyA Harpa AI alternative — All-in-one AI copilot for the browser.

  • All-in-one AI copilot for the browser
  • Access to GPT, Claude & Gemini
  • Writing, translation and search tools
  • Desktop app and memo features
Visit

Merlin AI

Browser Extensions & Copilots
freemium

✦ WhyA Harpa AI 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 Harpa AI 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

Brave Leo

Browser Extensions & Copilots
freemium

✦ WhyA Harpa AI 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 Harpa AI 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 Harpa AI 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 Harpa AI 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

Harpa AI head-to-head

Harpa AI vs Opera Browser AI (Aria)Harpa AI vs SiderHarpa AI vs MonicaHarpa AI vs Merlin AIHarpa AI vs MaxAI.meHarpa AI vs Brave LeoHarpa AI vs DiaHarpa AI vs Meta AI