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GitHub reported that Copilot’s Claude Fable 5 model experienced elevated errors on August 13, 2026, peaking at 43%, before recovery after an upstream-provider mitigation.

Verified Emerging 1 source
First seen
Last updated
Event ID
6d74203a-c79e-40a9-8fd3-ed36019be5b1

Source trail

  1. githubstatus.comErrors with the Fable 5 Model in Copilot
    Announcement Published
    Open source ↗

Observation timeline

  1. Announcement Publishedgithubstatus.com · ORIGINAL

Research & reporting

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