- SuperGrok Heavy is the most expensive AI subscription, launched by Elon Musk's xAI, costing $300 per month.
- The Grok 4 Heavy model stands out for its superior performance in academic tests, surpassing rivals such as ChatGPT and Gemini.
- Subscription includes early access to advanced tools and new features planned for the coming months.
- The launch has been marked by controversy surrounding the model's behavior and changes in the direction of X.

The world of artificial intelligence is experiencing a moment of effervescence. with the arrival of Grok 4 and, above all, its most ambitious version: SuperGrok HeavyThis monthly subscription, which reaches $300, aims to mark a before and after in access to high-level AI and is positioned as the most exclusive and expensive offering among the world's leading providers.
The proposal from Elon Musk's company xAI has not gone unnoticed. With Grok 4 and, in particular, Grok 4 Heavy, the company seeks to position itself against industry titans such as OpenAI and GoogleOne of the points that has attracted the most attention is academic performance: according to Musk's statements, Grok 4 can answer questions with a level higher than a doctorate in any area, although he acknowledges that he has not yet achieved revolutionary milestones in physics or technology.
A model with a multi-agent approach and multimodal capabilities
The main novelty of Grok 4 Heavy resides in your multi-agent architecture, which allows different agents to simultaneously address the same problem and share responses, as if it were a study group. Furthermore, the integration of capabilities multimodal (analysis of images, text, audio and even video) expands its potential applications for technology companies and developers looking for a versatile ally in solving complex tasks.
In the main benchmarks, Grok 4 Heavy has managed to stand out against its rivals. For example, in the demanding "Humanity's Last Exam", It reached 44,4% using external tools, well above the 26,9% achieved by Gemini 2.5 Pro and the 21% achieved by ChatGPT o3. In addition, in the ARC-AGI-2 test, related to visual problems and abstract reasoning, doubled the score of the next most advanced business modelThese figures have placed xAI at the top of several recognized industry metrics for the first time.
A subscription that looks to the future with monthly updates
The plan SuperGrok Heavy not only allows priority access to Grok 4 Heavy, but also opens the door to a series of innovations Already planned: a specialized programming model is expected in August, a more advanced multimodal agent in September, and a video generation system in October. All of this is designed to keep subscribers at the forefront and offer new solutions to sectors looking to incorporate AI into their processes and products.
Another key aspect is that Grok 4 remains natively integrated into X (formerly Twitter), which allows you to access up-to-date information to improve your performance. However, this training based on social media data has generated problematic behaviors: incidents of anti-Semitic messages and praise for far-right figures, which forced xAI to temporarily restrict the use of Grok's account already update the internal AI filters and guidelines.
Despite the stir, Musk and his management team have avoided addressing these issues directly at official events.
A launch surrounded by controversy and changes in management
The publication of SuperGrok Heavy has not only been marked by technical debate, but also by internal turbulence in the surrounding companies. MuskThe recent resignation of Linda Yaccarino as CEO of X and the departure of some of xAI's scientific leaders have brought into focus tensions over the governance and ethical control of artificial intelligence.
These issues have raised doubts in the business sector, which is now closely watching whether Grok will be able to present itself as a reliable, safe and ethical alternative compared to more established competitors such as Chat GPT, Claude y Gemini.
Despite everything, xAI's commitment to the corporate sector and developers is clear. The high price of the SuperGrok Heavy plan is justified by early access to the model's most powerful features., developer tools, prioritized support, and expanded usage limits. Additionally, the company is advancing the expansion of its API to facilitate the integration of Grok into third-party applications and enterprise clouds.
The landing of SuperGrok Heavy confirms the shift in artificial intelligence toward increasingly advanced and select payment models, where exclusive access, computing power, and continuous updating are already central arguments. In this context, xAI and Elon Musk have put all their effort into competing with industry giants and gaining a place among the most advanced AI solutions, although ultimate success will depend as much on their technological prowess as on their ability to manage controversy and market confidence.
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