semconv.com

gen_ai.response.time_to_first_chunk

MovedGenAI registrydoubleas of v1.44.0

Time to first chunk in a streaming response, measured from request issuance, in seconds. The value is measured from when the client issues the generation request to when the first chunk is received in the response stream.

Examples

Used by

events (1)

  • gen_ai.client.inference.operation.details

spans (5)

  • span.anthropic.inference.client
  • span.aws.bedrock.client
  • span.azure.ai.inference.client
  • span.gen_ai.inference.client
  • span.openai.inference.client

* required on that signal.

History

  1. v1.42.0deprecated

    Moved to the OpenTelemetry GenAI semantic conventions repository.

  2. v1.41.0

    Added as development.

Definition sourceRegistry docsJSON