Arize Phoenix

Open-source tracing, evaluation and prompt playground for LLM apps.

Open Source Prompt Management & Testing phoenix.arize.com

About Arize Phoenix

Phoenix from Arize AI provides OpenTelemetry-based tracing, built-in evaluators, datasets and a prompt playground. It can be self-hosted with Docker or used in the cloud.

Strong for teams standardising on OpenTelemetry.

FAQ

What is Arize Phoenix?

Open-source tracing, evaluation and prompt playground for LLM apps.

Is Arize Phoenix free?

Yes. Arize Phoenix is open source and free to use or self-host.

What are some alternatives to Arize Phoenix?

Agenta, Braintrust, DeepEval, Google AI Studio, Helicone.

Alternatives to Arize Phoenix

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Agenta

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Open-source platform for prompt management, evaluation and observability.

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Braintrust

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DeepEval

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Open-source framework for unit-testing LLM outputs.

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Google AI Studio

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Google’s free playground for writing and testing prompts with Gemini.

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Helicone

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Langfuse

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LangSmith

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Latitude

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Lunary

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Maxim AI

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MLflow Prompt Registry

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Opik

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