AssemblyAI incident
Increased latency for Universal 3.5 Pro Realtime model
AssemblyAI experienced a minor incident on August 25, 2026 affecting Streaming API, lasting 6m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 25, 2026, 02:55 PM UTC
We are currently investigating an issue where there is increased latency for our Universal 3.5 Pro Realtime model on the US endpoint. This began at 3:15pm UTC.
- identified Aug 25, 2026, 02:57 PM UTC
The issue has been identified and our team is working on a fix.
- monitoring Aug 25, 2026, 02:57 PM UTC
The fix has been implemented and latency has recovered as of 3:45pm UTC. The team is continuing to monitor the situation.
- resolved Aug 25, 2026, 03:01 PM UTC
This incident has been resolved. From 3:15p-3:45p UTC customers experienced increased latency when using our Universal 3.5 Pro Realtime model on the US endpoint. The EU endpoint was not affected. Sessions continued to function during this time without any errors.