Featherless AI incident

qwen3_5-4b: high error rate

Resolved after 3 hours 8 minutes, affecting qwen3.5-4b and qwen3_5-4b, on October 16, 2026.

investigating Oct 16, 2026, 04:00 AM UTC

Error rate on qwen3.5-4b has been at or above 50% since 2026-10-16 04:00 UTC.

Started
Oct 16, 2026, 03:00 AM UTC
Resolved
Oct 16, 2026, 06:08 AM UTC
Duration
3h 8m
Detected by Pingoru
Oct 16, 2026, 03:00 AM UTC

Affected components

qwen3.5-4bqwen3_5-4b

Update timeline

  1. investigating Oct 16, 2026, 03:00 AM UTC

    Error rate on qwen3_5-4b has been at or above 50% since 2026-10-16 03:00 UTC.

  2. investigating Oct 16, 2026, 04:00 AM UTC

    Error rate on qwen3.5-4b has been at or above 50% since 2026-10-16 04:00 UTC.

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