Open Notebook vs Phoenix
A side-by-side comparison of Open Notebook and Phoenix — pricing, license, deployment, and where each tool wins.
Open Notebook
open-notebook.ai
An open source implementation of NotebookLM with more flexibility and features.
Phoenix
phoenix.arize.com
Open-source tool for ML observability that runs in your notebook environment, by Arize. Monitor and fine-tune LLM, CV, and tabular models.
| Feature | Open Notebook | Phoenix |
|---|---|---|
| Pricing | Free | Freemium |
| Model | Open-source | Freemium |
| License | open-source | Proprietary |
| Deployment | Cloud, Self-hosted | Cloud |
| Category | Text & Writing | Text & Writing |
| Self-hosted | ✓Yes | ✕No |
| Free tier | ✓Yes | ✓Yes |
Pick Open Notebook 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).
Pick Phoenix if…
- ✓You prefer Phoenix's feature set or ecosystem fit.