Fact · Speech recognition
1minute of audio per synchronous request
Google says synchronous recognition requests process audio of 1 minute or less.
Checked against its source on October 17, 2026
In the source's own words
“Synchronous recognition requests process audio data of 1 minute or less.”
Speech-to-Text overview (Google Cloud), Google Cloud, 2026, Recognition methods.
Open the original- What it measures
- Longer files need the asynchronous method, which Google documents for up to 480 minutes.
- What it does not show
- Read on 2026-10-17.