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AssemblyAI: Increased Processing Times and Errors on US Endpoint for Universal-3.5 Pro Async model

Impact: majorStatus: resolvedStarted Resolved (25 min)4 updatesSource: stspg.io (opens in new tab)
Summary

AssemblyAI reported a major degradation of Universal-3.5 Pro async transcription on its US endpoint: slower processing and failed requests; EU was unaffected. The incident started at 2026-10-06 14:00 UTC and resolved at 2026-10-06 14:25 UTC (25 min), with impact reported beginning at 1:35p UTC. A fix restored normal processing; failed requests can be safely resubmitted.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: APIs - Asynchronous APIAsynchronous API

Timeline of updates

  1. investigating

    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.

  2. identified

    We have identified the issue and a fix has been released. We will provide further updates as soon as we can.

  3. monitoring

    A fix has been implemented. We are seeing processing times return to the normal ranges and are continuing to monitor the results.

  4. resolved

    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.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). AssemblyAI profile · Recent AssemblyAI incidents · Markdown · JSON