observability
Coverage, reference pages, tools, and guides connected to this topic.
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Arize Phoenix
OpenTelemetry-native LLM observability and evaluation.
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Helicone
Lightweight LLM observability with a proxy-first model.
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Langfuse
Open-source observability for LLM and agent applications.
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Weights & Biases Weave
Tracing, evals, and experiment tracking unified.