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Grok is the AI assistant built by xAI, available on X and in its own app. News on features, models and safety.
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Security firm Claroc says 94.7% of the Grok apps still online opened without any sign-in, and some held patient records, staff rosters, and plain-text passwords. SpaceXSI says apps stay private until their creator shares them. Claroc's tests found the publish panel already set to Anyone with the link.
Clarocverified
On September 3, 2026, Anthropic logged elevated errors across Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5, OpenAI logged elevated errors across ChatGPT and Codex, Grok showed users an error message, and third-party monitors recorded a likely Gemini API interruption. Four independent providers, one morning. No status page names a shared cause, and Amazon Web Services, Microsoft Azure, and Cloudflare reported nothing major. For anyone whose product calls more than one of these, this is the failure mode that a second provider does not fix.
Ars Technicaverified