Overbilling for OpenAI-hosted containers in the Agent API

Summary

Overbilling for OpenAI-hosted containers in the Agent API

All impacted services have now fully recovered.

• Started

  Sep 18, 2026 · 10:29 PM

• Resolved

  Sep 19, 2026 · 7:52 AM

• Duration

  9h 22m

• Severity

  None

• ◐

  Investigating

  Sep 18 · 10:29 PM ChatGPT

  We’re investigating an issue causing higher-than-expected charges for OpenAI-hosted containers in the Agent API. We’re working on a fix and preparing refunds for affected customers. We’ll share further updates as we make progress.

• ◐

  Investigating

  Sep 18 · 11:22 PM ChatGPT

  We’re continuing to work on a fix for the container overbilling issue. We’re also reviewing affected usage to identify impacted customers and calculate refunds.

• ◆

  Identified

  Sep 19 · 1:08 AM ChatGPT

  We are still implementing the mitigation.

• ◉

  Monitoring

  Sep 19 · 5:00 AM ChatGPT

  We have applied the mitigation, and any new sessions would not run into this issue. We are monitoring the recovery.

• ✓

  Resolved

  Sep 19 · 7:52 AM ChatGPT

  All impacted services have now fully recovered.