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OpenTabs vs CardGo.AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenTabs compared with CardGo.AI
DetailOpenTabs logo OpenTabsCardGo.AI logo CardGo.AI
What it doesYour open tabs, grouped, on every new tab AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingFree, under the AGPL-3.0-or-later licence. No paid plans, trials or cards. Free plan: $0 forever, 7 cards, CardGo AI: 10 messages and 10 hosted analyses a day. Pro plan: $9.90 per month, 50 cards, CardGo AI: 100 messages and 100 hosted analyses a day. Max plan: $19.90 per month, Unlimited cards, CardGo AI: 300 messages and 300 hosted analyses a day.
Key features
  • Shows open tabs from every window grouped by site
  • Close all tabs from a site in one click
  • Close duplicate tabs in one press
  • Merge windows into one
  • Customizable briefing with news topics, markets, weather, calendar and to-do list
  • Optional end-to-end encrypted sync between browsers
  • No account required
  • Instantly loads with no network requests on tab open
  • Automatic stale new tab page closing
  • Works completely offline after initial configuration
  • Save context once as encrypted cards with seven sections
  • End-to-end encrypted with AES-256-GCM
  • Works with ChatGPT, Claude, Gemini, Perplexity and Grok
  • Sync across devices
  • Card suggestions while typing
  • Create multiple context cards with different details
  • Filter sensitive details before sharing
  • Dream cards feature to auto-generate card suggestions
What makes it different
  • Only tab manager that shows actual open tabs on the new tab page itself
  • Completely private by design with no account, no tracking and no server storage
  • Zero network delay when opening new tabs
  • Optional sync is end-to-end encrypted so the server never sees your data
  • One card works across five different AI services
  • Eliminates need to re-explain context to each AI chat
  • No credit card required to start
  • Context attached only when you choose
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check3 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1326
Referring domains (Majestic)341

5 details filled in for both companies.

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