Fact · Transcription
OpenAI says processing of long audio uploads is best-effort, and that very long recordings may time out.
Checked against its source on October 17, 2026
In the source's own words
“Processing is best-effort, and very long recordings may time out.”
Uploading files and audio to ChatGPT, OpenAI Help Center (archived copy), 2026, Audio upload and processing limits.
Open the original- What it measures
- The article adds that longer recordings may be processed in smaller sections when Data Analysis is available.
- What it does not show
- The article gives no time limit, so a time-out can happen at any length. Splitting the file yourself is the safer route.