OpenLLMetry Semantic Conventions for AI
A vocabulary of span attribute names for GenAI workloads — gen_ai.system, gen_ai.request.model, gen_ai.response.model, gen_ai.usage.input_tokens, gen_ai.usage.output_tokens, llm.prompts, llm.completions, traceloop.workflow.name, traceloop.entity.name, and others. Originated in OpenLLMetry and has been upstreamed into the OpenTelemetry GenAI semantic conventions, giving cross-vendor observability backends a shared schema for LLM telemetry.