Black Forest Labs incident

429 errors on some clusters

Resolved after 4 hours 57 minutes, affecting FLUX 1.1 [pro] and FLUX.1 [pro] and 1 more, on December 3, 2025.

monitoring Dec 03, 2025, 07:25 AM UTC

A fix has been implemented and we are monitoring the situation

Started
Dec 03, 2025, 04:14 AM UTC
Resolved
Dec 03, 2025, 09:12 AM UTC
Duration
4h 57m
Detected by Pingoru
Dec 03, 2025, 04:14 AM UTC

Affected components

FLUX 1.1 [pro]FLUX.1 [pro]FLUX.1 [dev]FLUX 1.1 [pro] UltraFLUX.1 Fill [pro]FLUX.1 Canny [pro]FLUX.1 Depth [pro]FLUX .1 Kontext [pro]FLUX.1 Kontext [max]

Update timeline

  1. investigating Dec 03, 2025, 04:14 AM UTC

    We are investigating an issue triggering 429 errors in some clusters.

  2. monitoring Dec 03, 2025, 04:19 AM UTC

    A fix has been implemented and we are monitoring now. You should be able to use the different endpoints again.

  3. investigating Dec 03, 2025, 05:02 AM UTC

    Investigating the same issue again

  4. identified Dec 03, 2025, 07:18 AM UTC

    We have resolved one issue, and are working on resolving another one only applying to some customers.

  5. monitoring Dec 03, 2025, 07:25 AM UTC

    A fix has been implemented and we are monitoring the situation

  6. resolved Dec 03, 2025, 09:12 AM UTC

    Incident has been resolved.

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