Claude, ChatGPT and Grok back online after Thursday’s widespread outages
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| Source: Techmeme | Original article
After a Thursday-wide outage, the AI services Claude, ChatGPT and Grok have resumed operation, with users reporting restoration as of early morning PT.
Popular generative‑AI services suffered a coordinated blackout on Thursday, leaving millions of users unable to access OpenAI’s ChatGPT, Anthropic’s Claude and X’s Grok. The disruption, first flagged by a surge in reports on DownDetector, peaked at more than 36,000 complaints before the platforms began to recover.
OpenAI’s status page confirmed that a fix had been applied and that the service was “monitoring the recovery” after roughly 24 minutes of downtime for ChatGPT and its Codex code‑assistant. Anthropic reported that most Claude models were back online, but the Opus 4.8 and Opus 5 variants remained unavailable. X’s Grok initially continued to display an outage message, yet later updates indicated that the service had also been restored.
Google’s Gemini was the only major AI offering that did not register an official outage during the incident, underscoring the uneven impact across providers.
The episode matters because these models have become core infrastructure for everything from customer‑support chatbots to content creation tools. A simultaneous failure highlights the shared dependencies—likely cloud‑hosting or networking layers—that can cascade across competitors. It also raises questions about resilience and transparency, especially as enterprises embed AI more deeply into critical workflows.
Stakeholders will be watching for post‑mortem reports from OpenAI, Anthropic and X, which should detail the root cause and any steps to prevent recurrence. Developers and businesses that rely on the affected models will also monitor whether the remaining Claude Opus versions return to service and whether any compensatory measures, such as service credits, are offered. The incident serves as a reminder that even the most advanced AI platforms remain vulnerable to infrastructure glitches.
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