Checkmate: OpenAI's o3 swept Musk's Grok 4 in an AI chess showdown.

Tesla CEO Elon Musk on Thursday challenged OpenAI's GPT-5 release by asserting his xAI's Grok 4 Heavy model was already ...

During a recent online clash with Sam Altman, the CEO of OpenAI, Elon Musk experienced an unexpected twist when his own AI ...

The AI chess tournament between OpenAI’s o3 model and xAI's Grok 4 invited plenty of speculation as a kind of proxy battle between the two companies and their respective CEOs. Any comparison to the ...

Elon Musk said Tuesday his social media platform X is working to fix its AI chatbot, Grok, after it sided with rival tech ...

During a recent online clash with Sam Altman, the CEO of OpenAI, Elon Musk experienced an unexpected twist when his own AI ...

Internal emails obtained by WIRED show a hasty process to onboard OpenAI, Anthropic, and other AI providers to the federal ...

The xAI chatbot appears left behind in new GSA AI deals, but the agency says all companies are under consideration.

While OpenAI reigns at the top, the likes of Google's Gemini and Meta's Llama are not too far behind. The entry of Grok by Elon Musk's xAI just a year ago intensified the battle.

OpenAI’s ChatGPT o3 has emerged victorious over Elon Musk’s xAI model, Grok 4, in the final of a Kaggle-hosted chess ...