The Elon Musk-backed AI startup unveiled its latest Grok-3 artificial intelligence chatbot claimed to outperform other U.S. or Chinese competitors.

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.

While company owner Elon Musk expanded on that a bit during an official Grok 3 launch video on the social media platform, one key detail was omitted: the price. It has now been revealed that X’s highest level subscription tier – X Premium+ – has been increased substantially in price, with US users required to pay $40 each month for its benefits.

Grok 3 is Musk's latest AI powerhouse, but despite its rapid progress, experts say it's still not enough to dethrone ChatGPT as the top AI model. Is it true?

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.

Elon Musk has announced that Grok 3, the latest AI model from xAI, will be available for free temporarily. The advanced model promises improved reasoning and language comprehension. Users can access it via X,

Dubai: Elon Musk has made Grok 3, the latest and most advanced artificial intelligence model from xAI, available for free to all users. Previously exclusive to Premium Plus subscribers on X (formerly Twitter),

Elon Musk has launched Grok 3, claiming it to be the smartest and most sarcastic AI. It answers “almost anything”.