Elon Musk's AI company, xAI, released its latest flagship AI model, Grok 3, on Monday, along with new capabilities in the Grok app for iOS and the web.

According to xAI’s blog, Grok 3 leverages Test-Time Compute at Scale (TTCS), a specific implementation of test-time scaling, to power its reasoning. This machine learning strategy enables the A.I. model to dynamically adjust computational resources, ensuring higher accuracy for complex queries while maintaining speed for simpler tasks.

Elon Musk’s xAI unveiled Grok-3 on Tuesday, announcing that the new artificial intelligence model has “more than 10 times” the compute power of its predecessor. xAI said its latest flagship outperforms OpenAI’s GPT-4o, Google’s Gemini, and DeepSeek’s V3 models in early testing, and now features “advanced reasoning” capabilities.

Grok 3 is "scary smart," according to Elon Musk, and is "an order of magnitude more powerful than Grok 2."

Elon Musk revealed his new chatbot, Grok 3, on Monday. Maria Curi, tech policy reporter for Axios, joined CBS News to discuss the new product.

Elon Musk’s artificial intelligence startup, xAI, has unveiled Grok 3 AI, the latest iteration of its chatbot technology. The new model, which Musk has described as the “smartest AI on Earth,” is being positioned as a direct competitor to OpenAI,

Elon Musk’s artificial-intelligence company xAI unveiled an improved version of its Grok chatbot and the model that powers it late Monday, marking his latest effort to catch up with established competitors including OpenAI.

Grok 3 is now available to premium X subscribers. Will the "scary smart" platform give the US the upper hand in the AI race?

Elon Musk’s startup xAI announced the Grok 3 AI models, which he claims are “the smartest AI on Earth.” The company posted the launch event video on February 18, 2025, demonstrating the AI’s ability to perform sophisticated reasoning.