Compare uptime, outage statistics, and incident history between Claude and OpenAI ChatGPT. See which service has better reliability.
Note: Each service has different practices when updating its status page. One service may report more incidents due to transparency, not necessarily worse reliability. Compare these stats with context.
Status monitoring since October 2025
Degraded performance on platform.claude.com and Claude for Microsoft Office 365
We are investigating reports of degraded performance affecting some Claude services, including docs.claude.com. We ar...
Degraded performance on Claude for Microsoft Office 365
We are investigating elevated errors affecting Claude for Microsoft Office 365. We will provide an update as soon as ...
Degraded performance on claude.ai and Claude Code
We are investigating reports of degraded performance affecting Claude in Slack, Claude Code on the web, and Code Revi...
Status monitoring since October 2025
Elevated errors in ChatGPT conversations for Free and Go plans
We are investigating the issue for the listed services.
Users may experience an increase in error rates in Workspace Agents and ChatG...
We have identified that users are experiencing elevated errors for the impacted services. We are working on implemen...
Unexpected logouts for some ChatGPT web users
We’re investigating an issue causing some ChatGPT web users to be unexpectedly logged out when refreshing the page.
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