Claude, Grok, and ChatGPT Experience Simultaneous Service Outages

Major AI services are facing widespread technical issues. Anthropic reported multiple rounds of errors affecting Claude models, including Sonnet, Mythos, Fable, and Opus, with claude.ai and its API currently experiencing partial outages. xAI's Grok also went down, with the web interface marked as an outage since 21:30 Beijing time. OpenAI joined the list at 22:58 Beijing time, reporting increased error rates for ChatGPT and Codex, and is currently investigating the situation.