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Update LLM SDK instrumentations for better otel semconv compliance#1580

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update-llm-instrumentation-semconvs
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Update LLM SDK instrumentations for better otel semconv compliance#1580
dmontagu wants to merge 1 commit intomainfrom
update-llm-instrumentation-semconvs

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@dmontagu
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Requested recently in the context of the openai instrumentation not following semantic conventions. I'll also open a PR on pydantic-ai to reflect updates to the semantic conventions that have happened since the last modification there.

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@rolandgvc
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following, it would be great to get this in main! I'm looking forward to better standardization with OTEL

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@brightsparc brightsparc left a comment

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Great I can see that antropic and openai chat completions are using new format, but the openai responses endpoint seems to be using the previous events schema.

OPERATION_NAME: 'chat',
REQUEST_MODEL: json_data.get('model'),
'request_data': {'model': json_data.get('model'), 'stream': stream},
'events': inputs_to_events(
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Do you plan to also update this to be gen_ai.input.messages and gen_ai.output.messages

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@brightsparc brightsparc Dec 21, 2025

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@dmontagu i've created a new PR #1590 from my repo to replace events with gen_ai.input.messages and gen_ai.output.messages. Could also modify this to keep both formats if required.

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@brightsparc @dmontagu Started PR #1593 to port in the rest of the Semantic Conventions for Anthropic and OpenAI

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Closing in favor of #1666

@dmontagu dmontagu closed this Feb 11, 2026
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4 participants