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Is OpenAI Codex down right now?

HostTracker's monitoring network reached chatgpt.com and completed a full check without errors. It has been up for 19d 8h.

Stop finding out from a search - HostTracker's website monitoring checks the services you depend on from 300+ locations and alerts you the moment one changes.

chatgpt.com checked every 10m

Up

for 19d 8h

Last check
just now
Next check
-
HTTP
OK
100.00%Uptime in the last 24 hours, 0 incidents, 0 min down
100.00%Uptime over the last 7 days
100.00%Uptime over the last 30 days
475 msAverage response over 30 days

Checking chatgpt.com right now

A fresh check, started when you opened this page - each probe runs its own independent DNS, TCP, TLS and HTTP request. Anonymous runs sample the network; a signed-in account checks from more locations.

How OpenAI Codex has behaved

Every figure here comes from HostTracker's own checks of chatgpt.com, not from the vendor's status page.

Response time

477ms avg · 1414ms peak

What we check

  • HTTP475 ms average, every 10 minutes
    OK
  • Ping11 ms average, every 10 minutes
    OK
  • Page Speed1568 ms average, every 15 minutes
    OK

90-day uptime

99.976% · 7 incidents · 30.7 min in total · longest 30.4 min

  • Operational
  • Degraded
  • Down
  • No data
90 days agoToday
  • 0.1 min
  • 30.4 min
  • 0 min
  • 0 min
  • 0.1 min
  • 0 min
  • 0.1 min

About OpenAI Codex outages

Written by the HostTracker monitoring team · updated from live probe data.

Codex is OpenAI's coding agent, and it doesn't run as a separate standalone service: the version built into ChatGPT lives inside chatgpt.com, and the Codex CLI that runs from a terminal authenticates against and sends its requests through the OpenAI API. That means Codex doesn't fail on its own infrastructure so much as it inherits problems from whichever surface it's riding on at the time - a ChatGPT-wide issue affects the in-app agent, while an API-side issue affects the CLI. If a check here or on /en/is-chatgpt-down or /en/is-openai-down shows a problem, that's very likely Codex's problem too, since it has no independent backend of its own to fall back on.

Common causes of OpenAI Codex downtime

Not sure whether it's OpenAI Codex or your own connection? Read the full breakdown in our website down checker guide for a general walkthrough of diagnosing any outage, from DNS failures to expired certificates.

Task queue backlogs, where a coding task is accepted but sits waiting far longer than usual before Codex actually starts working on it

Sandbox or container start failures, where the isolated environment Codex runs a task in fails to provision, blocking the task before any code even executes

GitHub connection errors that break Codex's ability to read a repository, open a pull request, or push changes, independent of whether Codex itself is reachable

Model capacity constraints during high-demand periods, which slow or queue task completion the same way they would for any other product built on the same underlying models

CLI authentication failures, where a stale or expired login blocks the terminal client from reaching the API even though the API itself is healthy

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Questions people ask during an outage

The live probe run on this page tests chatgpt.com from a broad sample of HostTracker's 300+-location monitoring network - many independent networks at the same moment, rather than just your own connection. If every location fails to reach it, the outage is real and affects everyone; if only a few locations fail while most load normally, the problem is local to those regions or networks rather than OpenAI Codex being fully down. A single refresh from your own browser can never make that distinction, because it only ever tests from one vantage point on one network.

Yes. HostTracker lets you add any URL - including third-party services you depend on, not just your own website - as a monitored target, and notifies you automatically the moment it becomes unreachable. Before sending an alert, HostTracker re-verifies a failure from multiple locations in its 300+-location network, so you're notified about real, confirmed outages rather than a single location's momentary blip. The free plan checks two monitors every 30 minutes indefinitely at no cost; paid plans check as often as once a minute, with alerts available through SMS, email, voice call, and several messenger apps.

No - as of the most recent check, chatgpt.com is responding normally to HostTracker's monitoring network, and has been up for 19d 8h. Over the last 24 hours it recorded 100.00% uptime across 0 incidents. If it is failing for you specifically, the cause is local - your network, DNS cache, or a regional route - and the live probe results above will show which locations, if any, are affected.

No - as of the most recent check, chatgpt.com is responding normally to HostTracker's monitoring network, and has been up for 19d 8h. Over the last 24 hours it recorded 100.00% uptime across 0 incidents. If it is failing for you specifically, the cause is local - your network, DNS cache, or a regional route - and the live probe results above will show which locations, if any, are affected.

It can be, though a queue backlog is a narrower symptom than a full outage. Codex tasks go through a processing queue before they actually start running, and a backlog there delays a task's start without necessarily meaning the underlying service is unreachable. If tasks eventually start and complete, just slowly, that points at a temporary capacity crunch; if they never start at all, checking chatgpt.com and the OpenAI API's status separately narrows down which layer is actually failing.

Usually not. A CLI authentication failure most often comes from a stale or expired login rather than the OpenAI API being unreachable, since the CLI needs a valid session to send requests through the API in the first place. Signing out and back in through the CLI resolves most of these. If sign-in fails for many people at once and the API check on /en/is-openai-down also shows a problem, that points at a genuine authentication-service incident instead.

That's typically a GitHub connection problem rather than a Codex or OpenAI issue. Codex needs to reach GitHub separately from generating the code itself, so a connection error, a permissions problem, or an incident on GitHub's side can block the final step - opening a PR, pushing a branch - after the actual coding work has already completed successfully. Checking GitHub's own reachability alongside this page is worth doing when the failure looks specific to the repository step.

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