Compose AI vs Merlin
A side-by-side comparison of Compose AI and Merlin — pricing, license, deployment, and where each tool wins.
Compose AI
compose.ai
Compose AI is a free Chrome extension that cuts your writing time by 40% with AI-powered autocompletion.
Merlin
merlin.foyer.work
ChatGPT Plus extension on all websites.
| Feature | Compose AI | Merlin |
|---|---|---|
| Pricing | Freemium | Freemium |
| Model | Freemium | Freemium |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Category | Text & Writing | Text & Writing |
| Self-hosted | ✕No | ✕No |
| Free tier | ✓Yes | ✓Yes |
Pick Compose AI if…
- ✓You prefer Compose AI's feature set or ecosystem fit.
Pick Merlin if…
- ✓You prefer Merlin's feature set or ecosystem fit.
Switch from Compose AI → Merlin
2–8hlow risk
Light lift — 2-8 engineering hours for a small team.
Export from Compose AI: Markdown, HTML, DOCX
2 things to watch
- ⚠Preserve heading structure
- ⚠Re-link internal references manually
Switch from Merlin → Compose AI
2–8hlow risk
Light lift — 2-8 engineering hours for a small team.
Export from Merlin: Markdown, HTML, DOCX
2 things to watch
- ⚠Preserve heading structure
- ⚠Re-link internal references manually