Calmo vs Langfuse
A side-by-side comparison of Calmo and Langfuse — pricing, license, deployment, and where each tool wins.
Calmo
getcalmo.com
Debug Production x10 Faster with AI.
Langfuse
langfuse.com
Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
| Feature | Calmo | Langfuse |
|---|---|---|
| Pricing | Freemium | Free |
| Model | Freemium | Open-source |
| License | Proprietary | open-source |
| Deployment | Cloud | Cloud, Self-hosted |
| Category | Text & Writing | Text & Writing |
| Self-hosted | ✕No | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick Calmo if…
- ✓You prefer Calmo's feature set or ecosystem fit.
Pick Langfuse if…
- ✓You want full source-code access and no per-seat fees.
- ✓You need to self-host for compliance, privacy, or cost.
- ✓Broader tag coverage in our catalog (proxy for feature breadth).
6–20hmedium risk
Plan a sprint — 6-20 engineering hours, run in parallel for a week.
Export from Calmo: Markdown, HTML, DOCX
4 things to watch
- ⚠Preserve heading structure
- ⚠Re-link internal references manually
- ⚠Set up hosting, TLS, backups before cutover
- ⚠No vendor support — community forums & Discord