Outage in GitHub

Inconsistent results when using the Haiku 4.5 model

Resolved Minor
October 28, 2025 - Started about 23 hours ago - Lasted 39 minutes
Official incident page

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We are currently investigating this issue.

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Latest Updates ( sorted recent to last )
RESOLVED about 22 hours ago - at 10/28/2025 05:11PM

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

INVESTIGATING about 23 hours ago - at 10/28/2025 04:42PM

Usage of the Haiku 4.5 model with Copilot experiences is currently degraded. We are investigating and working to remediate. Other models should be unaffected.

INVESTIGATING about 23 hours ago - at 10/28/2025 04:39PM

We are currently investigating this issue.

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