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CardGo.AI vs OnlyRead

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

CardGo.AI compared with OnlyRead
DetailCardGo.AI logo CardGo.AIOnlyRead logo OnlyRead
What it doesAI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok Read-only mode for AI browser agents
StageNot given MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree 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. Free: $0/month, open source with bring-your-own-model key. Pro: Free during early access with 1,000 judged requests; $5/month when paid tier launches.
Key features
  • 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
  • Blocks write, post, delete and purchase operations
  • Works with any Chromium browser and AI agent
  • App-specific rules and request classification
  • Open source codebase
  • Central control across multiple browsers (Pro)
  • One-link agent browser setup (Pro)
  • No API key required (Pro)
  • Per-account usage limits with fail-closed behavior
  • Tested on 1,000+ real tasks
What makes it different
  • 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
  • Reduces accidental changes by AI agents without eliminating access to read data
  • Open source with full code transparency
  • Fail-closed design for unclassified requests
  • Tested against real AI agent tasks on major websites
  • Fully managed Pro option with no setup required
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)3 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)260
Referring domains (Majestic)410

5 details filled in for both companies.

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