In vLLM v0.23.0, `vllm:prompt_tokens` use rate for prompt throughput and pair it with cached/computed-token and queue/TTFT metrics before drawing efficiency conclusions.

MetricvLLM v0.23.0confidence: highverified 11 hr agoverified-code

PrometheusStatLoggerV1 metrics

vLLM v0.23.0 v1 metrics loggers.py(vllm/v1/metrics/loggers.py:1149-1166)

supportsprimarysource_codecode_introspection

Pinned release-tag semantics; do not carry to another version without continuity evidence.

In vLLM v0.23.0, vllm:prompt_tokens use rate for prompt throughput and pair it with cached/computed-token and queue/TTFT metrics before drawing efficiency conclusions.