Sider
82Browser sidebar that puts GPT, Claude, Gemini, and other models next to any page you're reading.
United StatesAdded 27d ago
Freemiumfrom $10/mo
83trust score out of 100
00
HARPA AI alternatives
3 products our research names as a replacement for HARPA AI 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.
Monica
57Multi-model AI assistant living in a browser sidebar
SingaporeAdded 27d ago
FreemiumAPI
80trust score out of 100
00
has a public API
HARPA AI vs Monica →No-code robots that scrape and monitor any website
CanadaAdded 27d ago
Freemiumfrom $19/moAPI
90trust score out of 100
00
has a public API
HARPA AI vs Browse AI →More in Browser Extensions & Copilots
Not named as direct replacements — the neighbours in the same part of the catalog, best-rated first.
Arc Max
77Opt-in AI layer inside the Arc browser: link previews, tidier tab titles and renamed downloads
United StatesAdded 20d ago
Free
96trust score out of 100
00
Askee
59Chrome extension for asking questions about the page, YouTube video, or document you're currently viewing.
Added 11d ago
Freemiumfrom $6.99/mo
68trust score out of 100
00
Chrome and Firefox extension that turns your ChatGPT conversation history into an interactive visual timeline.
Added 11d ago
Free
75trust score out of 100
00
ChippyAI
59A Chrome extension that adds ChatGPT summarizing, research, and translation to any page without switching tabs.
Added 11d ago
Free
76trust score out of 100
00
Dia
77Mac browser whose assistant answers across your open tabs, Slack, Notion, calendar and GitHub
Added 20d ago
Freemiumfrom $20/mo
79trust score out of 100
00
GetBotAI
73Chrome sidebar that opens on any page with several chat models in one panel.
Added 20d ago
Freemium
78trust score out of 100
00
Browser sidebar running many chat models on any page
IndiaAdded 27d ago
Freemium
90trust score out of 100
00
An AI-native web browser from Norton's parent company, built on Chromium.
United StatesAdded 11d ago
Free
80trust score out of 100
00
OmniSide
59Browser sidebar for chatting with several AI models at once, plus summarizing, translating, and pulling text out of images or PDFs.
Added 11d ago
Free
68trust score out of 100
00
Desktop browser from Opera with a built-in AI sidebar, tab grouping, split-screen, and free VPN.
NorwayAdded 11d ago
Free
87trust score out of 100
00
Browser sidebar that groups tabs into spaces and runs an agent over what you have open.
United StatesAdded 20d ago
Freemiumfrom $2.9/mo
78trust score out of 100
00
SurfMind
69Browser extension that adds a context-aware AI chat, backed by 100+ models, to any web page
Added 11d ago
Freemiumfrom $39 once
61trust score out of 100
00
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