Degraded DeepSeek V4.1 Flash on US inference

Partial outage Closed · Down 58m

Affected: inference

Timeline

1. Closed 26 Oct 2026, 14:13 UTC operator
   The observation period is complete, and this incident is now closed.
2. Resolved 26 Oct 2026, 06:32 UTC operator
   All clear: DeepSeek V4.1 Flash on the US inference endpoint has recovered, and normal service is restored. We are continuing to monitor for any recurrence. Thank you for your patience.
3. Reported 26 Oct 2026, 05:33 UTC operator
   Customers using DeepSeek V4.1 Flash through the US inference endpoint may experience elevated errors and slower responses.
4. Investigating 26 Oct 2026, 05:33 UTC operator
   The US DeepSeek V4.1 Flash service remains below our normal success threshold. We are investigating and continuing to monitor the service. EU inference is healthy, and no failover is currently active.