Elon Musk's xAI said Grok's behavior was due to an update that caused it to prioritize engagement, even if posts contained "controversial opinions."

The response comes after X's Grok chatbot began spewing antisemitic and pro-Hitler comments earlier this week.

Elon Musk's new AI chatbot, Grok 4, is raising eyebrows for its unusual behavior. The chatbot, released Wednesday by Musk's company xAI, sometimes searches Musk's views online before answering questions.

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But after the chatbot developed by Elon Musk’s start-up xAI ranted for hours about a second Holocaust and spread conspiracy theories about Jewish people, the company responded by deleting some of the troubling posts and sharing a statement suggesting the chatbot just needed some algorithmic tweaks.

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Posts praising Hitler show the risks of accelerating the nascent technology with little stress testing and few guardrails

Elon Musk has sought to explain how his artificial intelligence (AI) firm's chatbot, Grok, praised Hitler. "Grok was too compliant to user prompts," Musk wrote on X. "Too eager to please and be manipulated, essentially. That is being addressed."

Built using huge amounts of computing power at a Tennessee data center, Grok is Musk's attempt to outdo rivals such as OpenAI's ChatGPT and Google's Gemini in building an AI assistant that shows its reasoning before answering a question.