Grok 4.20, an artificial intelligence model developed byMusk-led xAI, emerged as the top performer in Alpha Arena Season 1.5, a competition that pits AI models against each other in live stock trading ...

Yesterday, just as OpenAI celebrated its 10-year anniversary, the AI company launched GPT-5.2, its latest series of AI models to power ChatGPT. The latest release is allegedly in response to OpenAI’s ...

xAI introduces Grok 4.1 Fast and Agent Tools API, boosting real-world applications in customer support and finance with advanced capabilities. xAI has launched two significant advancements aimed at ...

GPT-5.1 still feels a bit formulaic. Grok 4.1 vs GPT-5.1: Verdict In our limited testing, Grok 4.1 was consistently better and outperformed GPT-5.1 on most of our metrics. So, if you're someone who ...

x.ai introduces Grok 4.1, enhancing AI capabilities with improved emotional intelligence and creative writing. The update is now available across various platforms, setting new standards in AI ...

What if the future of AI wasn’t just about faster responses or smarter algorithms, but about creating interactions so natural, they feel almost human? Enter Grok 4.1, the latest breakthrough in ...

Grok 4.1 will go the extra mile to take your side, and really wants you to believe it cares about your dead cat. Reading time 3 minutes The folks at Elon Musk’s AI company, xAI, are “excited” to ...

Microsoft has announced that the Grok 4 Fast models from xAI are now available in preview on Azure AI Foundry. Here, we’re talking about two models, grok-4-fast-reasoning and grok-4-fast-non-reasoning ...

Elon Musk’s xAI secured a GSA deal to provide Grok 4 and Grok 4 Fast AI models until 2027. Federal agencies will pay just $0.42 per unit, making Grok cheaper than OpenAI’s ChatGPT government offering.

With all the AI news coming out each week, some of the more significant advancements can be hard to track. Grok 4 Fast is streamlined version of xAI's flagship Grok 4 model released back in July 2025.