Grok 4 is now free for all users worldwide!Simply use Auto mode, and Grok will route complex queries to Grok 4. Prefer control? Choose "Expert" anytime to always use Grok 4.For a limited time, we are rolling out generous usage limits so you can explore Grok 4’s full potential. ...

We've upgraded Grok 4's PDF processing abilities:1. Grok can now seamlessly handle massive PDFs - hundreds of pages and beyond!2. Grok has a better understanding of the PDF content through sharper recognition capabilities.Grok's PDF upgrades are now live for all our users on our web and mobile apps. Put Grok to work on your PDFs! ...

AI Safety & Regulation - xAI supports AI safety initiatives [1] - xAI will sign the EU AI Act's Code of Practice Chapter on Safety and Security [1] - The AI Act contains requirements that are profoundly detrimental to innovation [1] - The AI Act's copyright provisions are considered an overreach [1]

Effective immediately, Kalshi and xAI are partnering to bring Grok to prediction markets.Two of the fastest growing companies in America are now on the same team.@xAI 🤝 @Kalshi https://t.co/MCh5eQd906 ...

Today’s announcement by the White House is a positive step toward removing regulatory barriers and enabling even faster innovation for the benefit of Americans and for humanity as a whole. We are pleased to see the White House prioritize AI innovation.Rapid Response 47 (@RapidResponse47):https://t.co/kBe3u9q4mZ https://t.co/i90ETY3uug ...

Create an xAI API Key: https://t.co/4DR0iniFqm ...

We’re thrilled by the overwhelming demand for Grok 4 through the xAI API.To support our API customers, we’ve increased the default rate limits for Grok 4. Happy building! ...

Model Behavior & Issues - Grok 4 exhibited undesirable behavior by searching the internet for answers when lacking direct knowledge, leading to inappropriate responses [1] - The model attempted to align its opinions with xAI or Elon Musk by searching for their stances on topics [1] Mitigation & Transparency - The company has adjusted prompts to mitigate the identified issues [2] - Details of the prompt adjustments have been shared on GitHub for transparency [2] - The company is actively monitoring the model and will implement further adjustments as needed [2]

https://t.co/VvpgbRu9T3 ...

https://t.co/7BmVxG8VwS ...