--- title: "dtreeviz vs viewer" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/parrt-dtreeviz-vs-zetane-viewer" tools: ["parrt-dtreeviz", "zetane-viewer"] --- # dtreeviz vs viewer *GraphCanon updated Aug 3, 2026* ## Verdict Pick dtreeviz if dtreeviz is a Python library for enhancing decision tree and machine-learning model understanding through visualizations; pick viewer if zetane viewer aids in visualizing ML models and their tensors in an interactive 3D environment, aiding comprehension and debugging. [dtreeviz](https://github.com/parrt/dtreeviz) reports 3.2k GitHub stars, 338 forks, and 75 open issues, last pushed Jan 2, 2026. [viewer](https://github.com/zetane/viewer) has 1.8k stars, 168 forks, and 17 open issues, last pushed Aug 8, 2022. Figures are from public GitHub metadata via [dtreeviz's repository](https://github.com/parrt/dtreeviz) and [viewer's repository](https://github.com/zetane/viewer). | | [dtreeviz](/tools/parrt-dtreeviz.md) | [viewer](/tools/zetane-viewer.md) | | --- | --- | --- | | Tagline | Python library for decision tree visualization and model interpretation | ML models and internal tensors 3D visualizer | | Stars | 3,155 | 1,835 | | Forks | 338 | 168 | | Open issues | 75 | 17 | | Language | Jupyter Notebook | Python | | Adopt for | dtreeviz is a Python library for enhancing decision tree and machine-learning model understanding through visualizations. | Zetane viewer aids in visualizing ML models and their tensors in an interactive 3D environment, aiding comprehension and debugging. | | Persona | - | - | | Runtime | - | - | | License | MIT | (unknown) | | Categories | Evaluation & Observability, Model Training | Developer Tools, Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [dtreeviz](/tools/parrt-dtreeviz.md) | [viewer](/tools/zetane-viewer.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Dormant (18%) | | Days since push | 212d | 1456d | | Open issues (now) | 75 | 17 | | Owner type | User | Organization | | Full report | [trust report](/tools/parrt-dtreeviz/trust.md) | [trust report](/tools/zetane-viewer/trust.md) | ## Decision facts: dtreeviz - **Adopt for:** dtreeviz is a Python library for enhancing decision tree and machine-learning model understanding through visualizations. ## Decision facts: viewer - **Adopt for:** Zetane viewer aids in visualizing ML models and their tensors in an interactive 3D environment, aiding comprehension and debugging. - **License detail:** (unknown) ## Choose when ### Choose dtreeviz if… - dtreeviz is primarily Jupyter Notebook; viewer is Python. - Tags unique to dtreeviz: decision-trees, machine-learning, model-interpretation, random-forest. - Also covers Model Training. - When you need detailed and interactive visualization of decision trees from models trained with libraries like scikit-learn, XGBoost, LightGBM, or TensorFlow Decision Forests. ### Choose viewer if… - viewer is primarily Python; dtreeviz is Jupyter Notebook. - Tags unique to viewer: 3d, exploration, files, free software. - Also covers Developer Tools. - You require a detailed, 3D visualization of model structures and tensor data. ## When NOT to use dtreeviz - In scenarios where the primary focus is on model performance benchmarking as opposed to understanding or explaining existing models. - If your project workflow does not involve Python, given dtreeviz's reliance on a specific set of Python ML libraries for its visualizations and interpretative functionalities. - For real-time prediction path visualization in production environments due to the overhead associated with generating detailed visual representations. ## When NOT to use viewer - Your workflow necessitates non-interactive visualization methods. - The viewer's license ambiguity could pose risks to proprietary projects or sensitive data handling. ## Common questions ### What is the difference between dtreeviz and viewer? dtreeviz: Python library for decision tree visualization and model interpretation. viewer: ML models and internal tensors 3D visualizer. See the comparison table for live GitHub stats and shared categories. ### When should I choose dtreeviz over viewer? Choose dtreeviz over viewer when dtreeviz is primarily Jupyter Notebook; viewer is Python; Tags unique to dtreeviz: decision-trees, machine-learning, model-interpretation, random-forest; Also covers Model Training; When you need detailed and interactive visualization of decision trees from models trained with libraries like scikit-learn, XGBoost, LightGBM, or TensorFlow Decision Forests. ### When should I choose viewer over dtreeviz? Choose viewer over dtreeviz when viewer is primarily Python; dtreeviz is Jupyter Notebook; Tags unique to viewer: 3d, exploration, files, free software; Also covers Developer Tools; You require a detailed, 3D visualization of model structures and tensor data. ### When should I avoid dtreeviz? In scenarios where the primary focus is on model performance benchmarking as opposed to understanding or explaining existing models. If your project workflow does not involve Python, given dtreeviz's reliance on a specific set of Python ML libraries for its visualizations and interpretative functionalities. For real-time prediction path visualization in production environments due to the overhead associated with generating detailed visual representations. ### When should I avoid viewer? Your workflow necessitates non-interactive visualization methods. The viewer's license ambiguity could pose risks to proprietary projects or sensitive data handling. ### Is dtreeviz or viewer more popular on GitHub? dtreeviz has more GitHub stars (3,155 vs 1,835). Stars measure visibility, not whether either tool fits your constraints. ### Are dtreeviz and viewer open source? Yes - both are open-source projects on GitHub. ### Where can I find alternatives to dtreeviz or viewer? GraphCanon lists graph-backed alternatives at [dtreeviz alternatives](/tools/parrt-dtreeviz/alternatives) and [viewer alternatives](/tools/zetane-viewer/alternatives) ([dtreeviz markdown twin](/tools/parrt-dtreeviz/alternatives.md), [viewer markdown twin](/tools/zetane-viewer/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/parrt-dtreeviz-vs-zetane-viewer.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, dtreeviz or viewer? dtreeviz: Slowing. viewer: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for dtreeviz and viewer? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [dtreeviz trust report](/tools/parrt-dtreeviz/trust); [viewer trust report](/tools/zetane-viewer/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=parrt-dtreeviz`](/api/graphcanon/graph?tool=parrt-dtreeviz) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_