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Arize Phoenix

Open-source LLM observability and evaluation for AI engineers

Data & Analytics
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Arize Phoenix

Open-source LLM observability and evaluation for AI engineers

Arize Phoenix is an open-source AI observability platform from Arize AI designed for evaluating, troubleshooting, and monitoring LLM applications. It provides tracing for LLM calls, embedding visualization, evaluation on custom and built-in metrics, and dataset management—all in a local-first tool that runs in Jupyter notebooks or as a standalone app. Phoenix integrates with OpenTelemetry, LangChain, LlamaIndex, and DSPy, making it the go-to observability layer for the LLM development stack.

Key Features

  • LLM tracing
  • Embedding visualization
  • Custom evaluations
  • OpenTelemetry
  • LangChain integration
  • Dataset management
#llm-observability#open-source#tracing#opentelemetry#evaluation

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Quick Info

Category
Data & Analytics
Pricing
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