Outage in AssemblyAI

Increased error rates for pre-recorded Speech-to-Text

Resolved Minor
September 30, 2025 - Started 7 days ago - Lasted about 3 hours
Official incident page

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Outage Details

Our team is currently investigating an issue that is causing an increase in server errors for our pre-recorded audio speech-to-text feature. This issue is only affecting a small number of requests, but it is affecting requests to both Universal and Slam-1 models. If you experience a server error we suggest retrying the request as those will likely be successful.
Components affected
AssemblyAI Asynchronous API
Latest Updates ( sorted recent to last )
RESOLVED 7 days ago - at 09/30/2025 08:28PM

We have continued to see good performance for pre-recorded audio so we are now marking this issue as resolved.

MONITORING 7 days ago - at 09/30/2025 07:28PM

We have released a fix to address the small increase in errors we were seeing and are monitoring to ensure continued good performance.

IDENTIFIED 7 days ago - at 09/30/2025 06:25PM

Our team has identified where the errors are occurring in our pipeline and is currently working to identify and resolve the root cause. This issue is currently only affecting an extremely small percentage of total pre-recorded audio traffic. 99%+ of requests are still completing successfully.

INVESTIGATING 7 days ago - at 09/30/2025 05:33PM

Our team is currently investigating an issue that is causing an increase in server errors for our pre-recorded audio speech-to-text feature. This issue is only affecting a small number of requests, but it is affecting requests to both Universal and Slam-1 models. If you experience a server error we suggest retrying the request as those will likely be successful.

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