Elevated error rate for GLM 5.3

Degraded performance Resolved · Down 6m

Affected: inference

Lifecycle

1. Reported 27 Sep, 08:12 UTC operator
2. Confirmed not reached
3. Investigating 27 Sep, 08:12 UTC operator
4. Resolved 27 Sep, 08:18 UTC operator
5. Closed not reached

Timeline

1. Resolved 27 Sep 2026, 08:18 UTC operator
   The error rate for GLM 5.3 has returned to normal. We are continuing to monitor for any recurrence.
2. Reported 27 Sep 2026, 08:12 UTC operator
   An elevated error rate has been observed for the GLM 5.3 model at inference.pearlresearch.ai.
3. Investigating 27 Sep 2026, 08:12 UTC operator
   We are experiencing an elevated error rate on the GLM 5.3 model. We are investigating and taking corrective actions. We will share further updates here.