# Setup: Python
Packages required for Phoenix evals and experiments.
## Installation
```bash
# Core Phoenix package (includes client, evals, otel)
pip install arize-phoenix
# Or install individual packages
pip install arize-phoenix-client # Phoenix client only
pip install arize-phoenix-evals # Evaluation utilities
pip install arize-phoenix-otel # OpenTelemetry integration
```
## LLM Providers
For LLM-as-judge evaluators, install your provider's SDK:
```bash
pip install openai # OpenAI
pip install anthropic # Anthropic
pip install google-generativeai # Google
```
## Validation (Optional)
```bash
pip install scikit-learn # For TPR/TNR metrics
```
## Quick Verify
```python
from phoenix.client import Client
from phoenix.evals import LLM, ClassificationEvaluator
from phoenix.otel import register
# All imports should work
print("Phoenix Python setup complete")
```
