Increased Processing Times and Errors on US Endpoint for Universal-3.5 Pro Async model
This incident has been resolved. Between approximately 1:35p and 2:20p UTC, async transcription requests using Universal-3.5 Pro on our US endpoint took longer than usual to complete, and some requests failed. Processing times have returned to normal ranges and any requests that failed during this window can be safely resubmitted.
The latest update from AssemblyAI.
State
Resolved
Started
26 d ago
2026-10-06 14:00 UTC
Lasted
25 min
until 2026-10-06 14:25 UTC
Worst impact
Partial outage
Timeline
4 updatesInvestigating
10 min 39%
Identified
3 min 13%
Monitoring
12 min 47%
Updates
Times in UTCAs posted by AssemblyAI
This incident has been resolved. Between approximately 1:35p and 2:20p UTC, async transcription requests using Universal-3.5 Pro on our US endpoint took longer than usual to complete, and some requests failed. Processing times have returned to normal ranges and any requests that failed during this window can be safely resubmitted.
A fix has been implemented. We are seeing processing times return to the normal ranges and are continuing to monitor the results.
We have identified the issue and a fix has been released. We will provide further updates as soon as we can.
We have identified an issue affecting asynchronous transcription requests using Universal-3.5 Pro on our US endpoint. Beginning at 1:35p UTC, requests have increased processing time and some are resulting in errors. Our team is working to restore normal processing. Our EU endpoint is not affected. We will continue to provide updates as more information becomes available.
Affected components
2AssemblyAI in the last 90 days
Full historyIncidents in 90 days
13
Days with an incident
10
Median duration
31 min
This incident
19% shorter than the median
Other AssemblyAI incidents
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We have continued to see good performance after the rollback and are now marking this issue as resolved.
AssemblyAI·Increased Processing Times and Errors on EU Endpoint for Universal-3 Pro Async model
This incident has been resolved. Between approximately 15:05 and 15:45 UTC, async transcription requests using Universal-3 Pro on our EU endpoint took longer than usual to complete, and some requests failed. Processing times have returned to normal ranges and any requests that failed during this window can be safely resubmitted.
AssemblyAI·Rejected Sessions on US Endpoint for Universal-3.6 Pro Realtime Model
From 10:30a - 12:30a UTC users experienced rejected connections when connecting to our Realtime Universal-3.6 Pro model on our US endpoint. Users received a 3005 Session Cancelled error message on connection. This issue has been resolved and the Realtime US endpoint for Universal-3.6 Pro is functioning normally. The EU Realtime endpoint was not affected.
AssemblyAI·Increased processing times and errors for Universal-3.5 Pro on the EU async endpoint
This incident has been resolved. Between approximately 08:20 and 10:45 UTC, asynchronous transcription requests using Universal-3 Pro and Universal-3.5 Pro on our EU endpoint took longer than usual to complete, and some requests failed. Processing times have returned to normal ranges. Any requests that failed during this window can be safely resubmitted.
AssemblyAI·Increased turnaround times for Async Universal-3 model
Processing times have continued to be in the normal range, so we are now marking this issue as resolved.
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