Clico vs Letterhead
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Clico | Letterhead |
|---|---|---|
| Best For | Individual writers & researchers in browser | Teams managing multiple newsletters |
| Key Feature | AI in any text box via Chrome extension | Portfolio management & AI agents for newsletters |
| Platform | Chrome browser extension | Web-based ESP portfolio OS |
| AI Models | ChatGPT & Claude (Claude Sonnet on Pro) | Custom AI agents (MCP server for integrations) |
| Newsletter Focus | Not newsletter-specific | Purpose-built for multi-newsletter ops |
If you're an individual writer, researcher, or student who wants AI help in any browser text field without switching tabs, Clico's free tier is a no-brainer — it works everywhere in Chrome. But if you're a team scaling multiple newsletters and need portfolio analytics, AI curation, and revenue management, Letterhead's enterprise platform (custom pricing) is the clear choice. Different tools for different jobs.
Screen-aware AI creative studio that reads your screen to run deep research and generate images, video, websites, and browser games
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Letterhead is the newsletter portfolio platform that runs every title like a measurable product, on your ESP or as a full email OS.
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- Solo blogger or studentPick: Clico
Clico's free tier provides AI writing help in any browser text field — perfect for drafting blog posts, emails, or essays without switching tabs. No commitment needed.
- Customer support rep using Gmail/SlackPick: Clico
Clico works inside Gmail and Slack to quickly generate context-aware replies without leaving the app, boosting efficiency.
- Team managing 5+ newslettersPick: Letterhead
Letterhead's portfolio analytics, AI curation, and approval workflows are designed for teams scaling multiple newsletters. The MCP server (2025 news) enables custom AI agent integrations.
- Researcher summarizing web pagesPick: Clico
Clico can summarize any page and research selected text inline, ideal for gathering information without context switches.
- Media company with existing ESPPick: Letterhead
Letterhead Studio layers on top of existing ESPs to add portfolio management and revenue tools, perfect for publishers wanting intelligence without migration.
Frequently Asked Questions
Clico vs Letterhead: which should you choose?
If you're an individual writer, researcher, or student who wants AI help in any browser text field without switching tabs, Clico's free tier is a no-brainer — it works everywhere in Chrome. But if you're a team scaling multiple newsletters and need portfolio analytics, AI curation, and revenue management, Letterhead's enterprise platform (custom pricing) is the clear choice. Different tools for different jobs.
Can Clico help me write newsletters?
Clico can assist with drafting newsletter content in any text field (e.g., Google Docs, email), but it lacks newsletter-specific features like templates, audience management, or analytics.
Does Letterhead work as a Chrome extension?
No, Letterhead is a full web platform (Studio or Suite) for managing newsletters; it is not a browser extension for general text input.
What AI models does Clico support?
Clico supports ChatGPT and Claude. The Pro tier ($20/mo) unlocks access to premium models like Claude Sonnet.
Does Letterhead offer AI content generation?
Yes, Letterhead provides AI agents for content curation and segmentation, and its native MCP server (2025 news) lets custom AI agents read data and sync audiences.
Can I use Clico on Firefox or Safari?
No, currently Clico is only available as a Chrome extension. It does not support non-Chromium browsers.
What is the pricing for Letterhead?
Letterhead uses custom enterprise pricing; you must contact sales. There is no public free tier or set monthly fee.
Which tool is better for a solo writer?
Clico is far better for solo writers — it's free to start, works everywhere in the browser, and costs just $20/mo for unlimited use.
Does Letterhead integrate with Zapier?
Yes, Letterhead integrates with Zapier, and also offers a versioned REST API with webhooks for custom integrations.
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Last reviewed: July 3, 2026