FUEL Status - Elevated 429 errors on DeepSeek-V4-Flash (EU) – Incident details

The scheduler improvement is confirmed stable. Error rates and latency for DeepSeek-V4-Flash in the EU region remain at normal. This incident is closed.

The scheduler improvement for DeepSeek-V4-Flash is fully rolled out. Error rates and latency are back to normal. Occasional rejections may still occur on demand-based tiers under heavy load. We are monitoring and will close this incident once stability holds.

Requests to the DeepSeek-V4-Flash model in the EU region are seeing elevated HTTP 429 responses under sustained high demand on shared-capacity tiers. Committed-capacity tiers are unaffected. A scheduler improvement for this model is being rolled out now. We recommend retrying with backoff. We will update this page when the error rate returns to normal.