OpenInference Anthropic Instrumentation

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library 1.0.0 ·python
verified May 24, 2026

openinference-instrumentation-anthropic is a Python auto-instrumentation library for the Anthropic package. It captures traces for Anthropic client calls (e.g., Messages, Completions, AsyncMessages, AsyncCompletions, BetaMessagesParse) and aligns them with OpenInference semantic conventions. These traces are fully OpenTelemetry compatible and can be sent to any OpenTelemetry collector, such as Arize Phoenix, for observability and evaluation. The library is currently at version 1.0.0 and is actively maintained with frequent updates to the broader OpenInference project.

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