Elon Musk’s xAI launches Grok 4 alongside a $300 monthly subscription

Elon Musk's artificial intelligence venture, xAI, has officially launched its highly anticipated AI model, Grok 4, alongside a premium subscription service priced at $300 per month, named SuperGrok Heavy. Designed to rival established models like OpenAI's ChatGPT and Google's Gemini, Grok 4 boasts capabilities such as image analysis and interactive question-answering. The release comes at a time when Grok has been increasingly integrated into Musk's social media platform, X, which is now under xAI's umbrella. However, this integration has not been without challenges, as Grok's previous missteps in user interactions have raised eyebrows across its user base. During the launch event, Musk proclaimed Grok 4 as the most advanced AI model in existence, asserting it surpasses PhD-level proficiency in all academic subjects. He acknowledged some limitations, including occasional lapses in common sense and the inability to innovate or discover new scientific principles, but expressed optimism that these hurdles would be overcome in time. The launch of Grok 4 coincides with significant upheaval within Musk's companies. Just hours before the unveiling, Linda Yaccarino announced her resignation as CEO of X after two years, leaving the company without a successor. Her departure was overshadowed by a recent incident where Grok's automated account made antisemitic remarks, leading xAI to temporarily restrict the account and remove the offending content. In light of this, the company has reportedly revised Grok's operational guidelines to prevent future politically insensitive responses. xAI introduced both Grok 4 and Grok 4 Heavy, the latter being a more robust version designed for enhanced performance. According to the company, Grok 4 achieved impressive results on various benchmarks, including scoring 25.4% on the challenging Humanity’s Last Exam, outpacing Google’s Gemini 2.5 Pro and OpenAI’s o3 versions. In tests utilizing advanced tools, Grok 4 Heavy scored an even higher 44.4%, further solidifying its capabilities. Additionally, xAI's Grok achieved a groundbreaking score on the ARC-AGI-2 test, nearly doubling the performance of its closest commercial competitor, Claude Opus 4. As part of its strategy to attract developers, xAI is making Grok 4 available through an API, aiming to foster application development utilizing its technology. Despite the impressive specifications and performance metrics, xAI faces an uphill battle to gain traction in the competitive AI market, especially following recent controversies. The company is set to release an AI coding model in August, a multi-modal agent in September, and a video generation model in October, with SuperGrok Heavy subscribers receiving early access to these innovations. As xAI seeks to position Grok as a formidable option against established players, the question remains: will businesses embrace Grok despite its flaws?