Grok 4 AI Model Launched by Elon Musk’s xAI Alongside the World’s Most Expensive AI Subscription Plan

Grok 4 synthetic intelligence (AI) mannequin was launched by xAI on Monday. The new AI mannequin was launched by xAI builders and firm proprietor Elon Musk in a stay stream on X (previously generally known as Twitter). The firm claimed that the new massive language mannequin (LLM) comes with a considerably improved reasoning means and higher efficiency throughout a number of topic areas. Grok 4 was launched alongside Grok Heavy, a multi-agent system which collaborates on issues and generates increased high quality outputs. Apart from that, xAI additionally launched the most costly AI subscription to this point.

Grok 4 and TremendousGrok Heavy Subscription Announced

In a submit on X, the official xAI deal with hosted a 48-minute-long stay stream the place Musk and xAI builders detailed numerous facets of the Grok 4 AI mannequin. One specific space the place the new mannequin outperforms its predecessor is educational data. “Grok 4 is better than a PhD level in every subject, no exception,” Musk mentioned.

Grok 4 efficiency on the Humanity’s Last Exam benchmark
Photo Credit: xAI

The group asserting the AI mannequin additionally showcased Grok 4’s efficiency throughout a number of benchmarks, together with Humanity’s Last Exam. It is a set of two,500 questions designed particularly to check AI programs throughout a variety of topics. xAI claimed that Grok 4 scored 25.4 % on the take a look at, outperforming frontier fashions similar to Google’s Gemini 2.5 Pro (21.6 %) and OpenAI’s o3-high (21 %).

Additionally, Musk claimed that with software use, Grok Heavy scored as excessive as 44.4 % on the take a look at, beating OpenAI’s o3 with Deep Research, which scored 26 %, and Gemini 2.5 Pro with instruments, which achieved 26.9 %.

The firm didn’t reveal lots about the Grok Heavy system, aside from introducing it as a multi-agent setting the place a number of specialised brokers can work collectively to search out completely different options to an issue, after which evaluate them to search out the greatest answer amongst all of them. It seems to be much like the open-source algorithm that Sakana AI launched earlier this month.

Finally, Musk and xAI additionally launched the most costly consumer-focused AI subscription to this point. Dubbed TremendousGrok Heavy, the subscription prices a whopping $300 (roughly Rs. 25,700) a month. Aimed at the energy customers of Grok, the subscription presents increased price limits and early entry to new options, similar to Grok Heavy.