HighlightGPT 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.

HighlightGPT compared with CardGo.AI
Detail	HighlightGPT	CardGo.AI
What it does	A browser extension that lets you ask, explain, translate, and memorize from highlights using ChatGPT's native responses	AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Free: $0/Lifetime includes highlight toolbar inside ChatGPT, ask/explain/translate, view answers in side panel, manually save to ChatGPT memory. Pro: $8/Lifetime adds remove ads, unlimited saving to ChatGPT memory, priority support, early access to new features.	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	Highlight toolbar inside ChatGPT Ask questions directly from highlighted text without retyping Translate ChatGPT replies while preserving tone and nuance Save important answers to ChatGPT memory Context-aware replies in side panel Zero extra tokens usage	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	Zero extra tokens - no additional token usage while using ChatGPT's native responses Side panel design keeps you reading ChatGPT uninterrupted Privacy-first with answers generated only by ChatGPT	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	33 +1 (up) since last check	3 no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	19	26
Referring domains (Majestic)	32	41

4 details filled in for both companies.

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