AssemblyAI outage, 25 June 2026

Timeout on transcriptions using speaker labels

Started
Resolved
25 Jun 2026, 16:48 UTC (after 1 h 10 min)
Impact
Major
Affected
Asynchronous API

Last update from AssemblyAI

**What happened** An issue related to our speaker diarization service caused certain requests to hang until they timed out. This lead to a backlog of requests to our async API creating a processing queue across our US transcription pipeline, which slowed and timed out transcription requests more broadly, including requests that were not using speaker diarization. --- **When** Impact ran from approximately 15:00 to 16:25 UTC on June 25, 2026 \(about 1 hour 25 minutes\). The most severe disruption was in the first 45 minutes \(15:00-15:45 UTC\); remaining delays and timeouts cleared shortly after. Full recovery was confirmed by ≈16:40 UTC. --- **What services were affected** On our U...

25 Jun 2026, 18:02 UTC

Read the full incident on the official AssemblyAI status page

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Other AssemblyAI incidents

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  2. Increased Processing Times and Errors on US Endpoint for Universal-3.5 Pro Async model

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  6. Outage on US Async Endpoint

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  8. Increased latency for Universal 3.5 Pro Realtime model

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