The investment was the highest ever raised for a startup and places OpenAI at a $300-billion valuation, tying it with TikTok parent company ByteDance and behind the $350-billion valuation for Elon Musk’s SpaceX, according to research firm CB Insights.

Elon Musk is now fighting Apple over who controls space-based cellphone signals, and it’s already gotten dirty. The battle kicked off over spectrum—the

The all-stock deal combines two of Mr Musk's multiple portfolio companies and potentially eases Musk's ability to train his AI model known as Grok.

Elon Musk's AI chatbot Grok has become the number one app on Android, surpassing TikTok and ChatGPT. Meanwhile, Musk also joined a viral Studio Ghibli-inspired trend on social media, further fueling discussions on AI and cryptocurrency.

The biggest backer of OpenAI, Microsoft is now building its own AI models and teaming up with Sam Altman's mortal enemy.