Fact · Speech recognition
Deepgram defines end-of-turn latency as the time from when a user stops speaking to when an end-of-turn event is received.
Checked against its source on October 17, 2026
In the source's own words
“The time from when a user stops speaking to when an EOT event is received.”
Measuring STT latency (Deepgram docs), Deepgram, Deepgram, n.d., Latency metrics.
Open the original- What it measures
- Deepgram says this is the critical metric for voice agents.
- What it does not show
- A definition from one vendor. The end-of-turn event is Deepgram's own signal, so the number depends on its endpointing.