OpenAI incident

Codex Context Compaction Latency

Minor Resolved View vendor source →

OpenAI experienced a minor incident on May 28, 2026 affecting Codex Web and Codex API and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.

Started
May 28, 2026, 06:59 AM UTC
Resolved
May 28, 2026, 06:59 AM UTC
Duration
—
Detected by Pingoru
May 28, 2026, 06:59 AM UTC

Affected components

Codex WebCodex APICLIVS Code extensionApp

Update timeline

  1. identified May 27, 2026, 05:57 PM UTC

    Status: Identified We're investigating an issue causing Codex context compaction to be slower than expected. Affected components Codex Web (Degraded performance) CLI (Degraded performance) App (Degraded performance) VS Code extension (Degraded performance) Codex API (Degraded performance)

  2. investigating May 28, 2026, 12:14 AM UTC

    Status: Investigating We are still investigating the issue for the listed services. Affected components Codex Web (Degraded performance) CLI (Degraded performance) App (Degraded performance) VS Code extension (Degraded performance) Codex API (Degraded performance)

  3. investigating May 28, 2026, 01:47 AM UTC

    Status: Investigating We are still investigating the issue for the listed services. Affected components Codex Web (Degraded performance) CLI (Degraded performance) App (Degraded performance) VS Code extension (Degraded performance) Codex API (Degraded performance)

  4. identified May 28, 2026, 02:31 AM UTC

    Status: Identified We've identified a configuration error that caused Codex to be slow. We are working on implementing the mitigation at the moment. Affected components Codex API (Degraded performance) Codex Web (Degraded performance) CLI (Degraded performance) App (Degraded performance) VS Code extension (Degraded performance)

  5. monitoring May 28, 2026, 03:09 AM UTC

    Status: Monitoring We have applied the mitigation and are monitoring the recovery. Affected components Codex Web (Degraded performance) CLI (Degraded performance) App (Degraded performance) VS Code extension (Degraded performance) Codex API (Degraded performance)

  6. resolved May 28, 2026, 06:59 AM UTC

    Status: Resolved All impacted services have now fully recovered. Affected components Codex Web (Operational) CLI (Operational) App (Operational) VS Code extension (Operational) Codex API (Operational)