Outage in Heroku

Investigating an Issue with Heroku AI responses for gpt-oss-120b model

Resolved Minor
September 22, 2025 - Started 26 days ago - Lasted about 9 hours
Official incident page

Incident Report

Heroku engineers are investigating a decline in successful API responses from the gpt-oss-120b AI model in US region.
Components affected
Heroku Data

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Latest Updates ( sorted recent to last )
INVESTIGATING 26 days ago - at 09/22/2025 04:24AM

Heroku engineers are investigating a decline in successful API responses from the gpt-oss-120b AI model in US region.

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