Comparison

Copus vs Are.na

Two curation platforms, different philosophies. See how they compare on features, pricing, and community.

Join 100+ curators 260+ curated articles 50+ treasuries

Feature Comparison

Feature Copus Are.na
Content Curation Bookmark, annotate, and share curated articles with recommendations Block-based system for saving text, images, links, and files
Discovery Algorithm-free discovery feed driven by human curation Explore page with channels from other users
Collections Treasury system for organizing curated content Channel-based organization with connecting blocks
Web3 Integration On-chain curation with x402 pay-per-view protocol None
AI Integration MCP server, JSON-LD structured data, AI chat helper Limited
Browser Extension One-click save, quick-save, side panel, AI chat integration Basic bookmarklet and extension
Pricing Free to use Free (limited) / Premium $7/mo
API Access Open search API, JSON-LD endpoints, MCP server REST API available
Mobile Support Responsive web app iOS app available

Copus

The Internet Treasure Map

Pros

  • Free with no feature limitations
  • Web3-native with on-chain payments
  • AI-ready with MCP server and structured data
  • Powerful browser extension for saving content anywhere
  • Algorithm-free, human-curated discovery

Cons

  • Smaller community (growing)
  • No native mobile app yet
  • Newer platform with evolving features

Are.na

A platform for connecting ideas

Pros

  • Established community of creatives and researchers
  • Visual-first approach with grid layouts
  • iOS mobile app
  • Good for mood boards and visual research

Cons

  • Premium required for full features ($7/mo)
  • No Web3 or blockchain integration
  • Limited AI capabilities
  • Can feel overwhelming for text-focused curation

Our Verdict

Choose Copus if you want a free, AI-ready curation platform with Web3 integration and a powerful browser extension. Choose Are.na if you need a visual-first tool for mood boards and creative research with an established community.

Platform Philosophy

Copus and Are.na both reject algorithmic feeds in favor of human curation, but they approach it differently.

Copus positions itself as "The Internet Treasure Map" — a platform where curators recommend valuable internet resources with context and personal insights. Every curation includes the curator's recommendation explaining why the content matters.

Are.na uses a block-and-channel metaphor inspired by research workflows. Users save "blocks" (text, images, links) into "channels" that can be connected across users, creating a web of related ideas.

AI and Developer Integration

Copus leads significantly in AI integration. It offers an MCP server (npx copus-mcp-server) that works with Claude, Cursor, and other AI tools. All content is available as JSON-LD structured data, and the browser extension integrates directly with ChatGPT, Claude, Perplexity, and other AI chat interfaces.

Are.na has a REST API but lacks dedicated AI tooling, structured data exports, or AI chat integration.

Frequently Asked Questions

Is Copus free to use?

Yes, Copus is completely free with no feature limitations. Are.na offers a free tier but requires a $7/month Premium plan for unlimited blocks and private channels.

Can I migrate from Are.na to Copus?

You can start using Copus alongside Are.na immediately. Install the Copus browser extension to save content as you browse, and gradually build your curated collection.

Which platform is better for researchers?

Both work well for research. Copus excels at curating web articles with contextual recommendations, while Are.na is stronger for visual research and mood boards. Copus has the advantage of AI integration for research workflows.

Does Copus have a mobile app?

Copus is available as a responsive web app and Chrome extension. Are.na has a dedicated iOS app. Both platforms work on mobile browsers.

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