AwesomeDataviz

Phoenix

ML observability in a notebook with UMAP visualizations

Website GitHubPyPI
GitHub stars
11.7K#58 in the directory
PyPI downloads / week
145.1K
Commits, last 12 months
3,725
Contributors
235
Last commit
Latest release
arize-phoenix…Oct 1, 2026

Overview

Phoenix is an ML visualization tool. Its GitHub repository has 11,704 stars, 1,181 forks, and 235 contributors. It is actively developed with 3,725 commits in the last 12 months. The latest release, arize-phoenix-v20.19.0, was published on Oct 1, 2026. On PyPI it is downloaded about 145.1K times per week.

Its GitHub description: AI Observability & Evaluation

GitHub topics: llmopsai-monitoringai-observabilityllm-evalaiengineeringdatasetsagentsllmsprompt-engineeringanthropicevalsllm-evaluation

Install

PyPI
pip install arize-phoenix
v20.19.0

Development activity

Commits per month to the default branch over the last 12 complete months.

0200400600 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
0200400600 Oct 2025 Jan 2026 Apr Jul
3,725 commits from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 2025235
Nov 2025198
Dec 2025156
Jan 2026158
Feb 2026587
Mar 2026328
Apr 2026289
May 2026287
Jun 2026252
Jul 2026463
Aug 2026417
Sep 2026355

Popularity among Machine learning visualization tools

Netron 33.5K PlotNeuralNet 25K Opik 22.4K Phoenix 11.7K FiftyOne 11.1K Visdom 10.3K BertViz 8.2K
Netron 33.5K PlotNeuralNet 25K Opik 22.4K Phoenix 11.7K FiftyOne 11.1K Visdom 10.3K BertViz 8.2K
GitHub stars for Phoenix and the most-starred alternatives.
Show data as a table
ToolStars
Netron33,544
PlotNeuralNet25,009
Opik22,373
Phoenix11,704
FiftyOne11,143
Visdom10,318
BertViz8,193

Alternatives to Phoenix

  • Netron

    Viewer for neural network, deep learning and machine learning models.

    33.5K starsJavaScriptMITPhoenix vs Netron

  • PlotNeuralNet

    LaTeX code for drawing neural network architecture diagrams.

    25K starsTeXMITPhoenix vs PlotNeuralNet

  • Opik

    Formerly CometLLM. Debug, evaluate, and monitor LLM applications with tracing and dashboards.

    22.4K starsPythonApache-2.0Phoenix vs Opik

  • FiftyOne

    Tool for visualizing, curating and evaluating computer vision datasets and models.

    11.1K starsTypeScriptApache-2.0Phoenix vs FiftyOne

  • Visdom

    Tool for real-time visualization and monitoring of live data such as ML experiments.

    10.3K starsPythonApache-2.0

  • BertViz

    Visualize attention in Transformer language models such as BERT and GPT-2.

    8.2K starsPythonApache-2.0

More comparisons: Netron vs Phoenix · Phoenix vs PlotNeuralNet · Opik vs Phoenix · FiftyOne vs Phoenix

Phoenix FAQ

Is Phoenix open source?

Its source code is public on GitHub under the Elastic-2.0 license.

Is Phoenix still maintained?

Yes. Phoenix is actively developed, with 3,725 commits in the last 12 months and the latest commit 2 days ago.

How do I install Phoenix?

From PyPI: pip install arize-phoenix.

What are the best alternatives to Phoenix?

The most popular alternatives listed in Machine learning visualization tools are Netron, PlotNeuralNet, and Opik. See the full ranking.

What language is Phoenix written in?

Phoenix is primarily written in Python, according to GitHub.

Data: GitHub API, PyPI. Updated Oct 4, 2026.