> ## Documentation index
> Fetch the complete documentation index at: https://arize.com/llms.txt
> Ask it with GET https://arize.com/ask?q=<keywords or question>. Short keywords rank best.
> Use these to discover all available pages before exploring further.

# 08.28.2025: New arize-phoenix-client Package

> We’re excited to announce the release of **`arize-phoenix-client`**, a lightweight, fully-featured package for interacting with Phoenix. With this client, you no longer need to install `arize-phoenix` unless running a local instance.

<Update label="08.28.2025">
**Key Features:**

* **Datasets:** Create and manage datasets for experimentation.
* **Experiments:** Run experiments and evaluate model performance.
* **Prompts:** Manage prompt templates and their versions.
* **Spans:** Access and analyze traces and spans.
* **Annotations:** Add annotations, evaluations, and feedback to spans.
* **Projects:** Organize your work with project management tools.

This release provides first-class support for interacting with a Phoenix instance while keeping your environment light and simple.

### Documentation

<Card horizontal title="Phoenix Client Reference — Phoenix Client Reference 1.21.0 documentation" href="https://pypi.org/project/arize-phoenix-client/" icon="cube" horizontal>
arize-phoenix.readthedocs.io
</Card>

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</Update>