Elevated error rates for GPT 5.5 in Codex

Status: Identified

We have identified that users are experiencing elevated errors when using GPT 5.5 in Codex. We are working on implementing a mitigation.

Affected components
● Codex Web (Degraded performance)
● CLI (Degraded performance)
● App (Degraded performance)
● VS Code extension (Degraded performance)
● Codex API (Degraded performance)

via OpenAI status