Is it down? / OpenAI Codex
No issues foundNo user-reported issues in the past 1 hours, and the official status page shows: All Systems Operational.
Submitted anonymously, no sign-in required.
Incident log
Official incidents
FAQ
No user-reported issues in the past 1 hours, and the official status page shows: All Systems Operational.
First, confirm whether it's a widespread problem: check the official status and user reports on this page. If it's only you, try switching networks, clearing your browser cache, or using a different browser. When accessing overseas services from mainland China, the network route is the most common cause; use cdnping's IP check to see your exit and split routing.
Just click the matching issue type at the top of this page. No sign-in required. Reports are counted anonymously.
Official status: All Systems Operational
API probe: last reachable · Details
User reports: 0 in 1 hours / usually 0.0 per hour
Related articles
A roundup of the 110 incidents logged on seven official status pages from 2026-09-17 to 10-17, broken down by vendor, impact level, and duration, with original titles of representative incidents and actionable practices for retries, fallbacks, and multi-provider failover.
A roundup of the two publicly sourced Codex quota resets in 2026, explaining the difference between short-window limits and weekly quotas, plus steps for tracking the next reset with cdnping's /changes RSS feed and /down/codex.
Explains where Claude Code, Codex, and OpenCode read their API endpoint and key from, gives copy-paste environment variables and config files, and includes a troubleshooting table for 401, 404, and timeouts, plus network self-check steps.
What do none, minor, major, and critical mean on the OpenAI and Claude status pages? This article explains component statuses, incident stages, and why status pages lag behind, and gives troubleshooting steps that combine API probes with user reports.