List of the Top 7 Large Language Models for Grok in 2025

Grok-3, developed by xAI, marks a significant breakthrough in the realm of artificial intelligence, aiming to set new benchmarks for AI capabilities. This innovative model is designed as a multimodal AI, allowing it to process and interpret data from various sources, including text, images, and audio, which enhances the interaction experience for users. Built on an unparalleled scale, Grok-3 utilizes ten times the computational power of its predecessor, employing the capabilities of 100,000 Nvidia H100 GPUs within the Colossus supercomputer framework. Such extraordinary computational resources are anticipated to greatly enhance Grok-3's performance in multiple areas, such as reasoning, coding, and the real-time analysis of current events by directly accessing X posts. As a result of these advancements, Grok-3 is set not only to outpace its previous versions but also to compete with other leading AI systems in the generative AI field, which could fundamentally alter user expectations and capabilities within this sector. The far-reaching effects of Grok-3's capabilities may transform the integration of AI into daily applications, potentially leading to the development of more advanced and sophisticated technological solutions in various industries. Additionally, its ability to seamlessly blend information from diverse formats could foster more intuitive and engaging user interactions.

Grok 3 DeepSearch is an advanced research agent and model designed to significantly improve the reasoning and problem-solving capabilities of artificial intelligence, focusing on deep search techniques and iterative reasoning approaches. Unlike traditional models that largely rely on existing knowledge, Grok 3 DeepSearch can explore multiple avenues, assess theories, and correct errors in real-time by leveraging vast datasets while employing logical, chain-of-thought reasoning. This model is particularly adept at handling tasks that require thorough analysis, such as intricate mathematical problems, programming challenges, and comprehensive academic inquiries. As a cutting-edge AI tool, Grok 3 DeepSearch stands out for its ability to provide accurate and in-depth solutions through its unique deep search capabilities, making it an asset in various fields, from scientific research to creative arts. Additionally, this innovative tool not only simplifies the process of problem-solving but also encourages a more profound comprehension of intricate concepts, ultimately enhancing the user's ability to tackle complex issues effectively.

Grok 3 Think, the latest iteration of xAI's AI model, seeks to enhance reasoning capabilities by employing advanced reinforcement learning methods. It can tackle complex problems for time spans that range from a few seconds to several minutes, improving its outputs by reviewing earlier steps, exploring alternative solutions, and refining its methods. The model is built on an extraordinary scale, demonstrating remarkable skill across a variety of tasks such as mathematics, programming, and general knowledge, and it has achieved significant results in competitions like the American Invitational Mathematics Examination. Furthermore, Grok 3 Think not only provides accurate responses but also prioritizes transparency, allowing users to explore the reasoning behind its answers, which sets a new standard for artificial intelligence in tackling intricate challenges. By focusing on transparency and reasoning, this model enhances user confidence in AI systems and fosters a deeper understanding of the decision-making mechanics involved. As a result, Grok 3 Think not only excels in performance but also cultivates a more informed user experience regarding AI capabilities.

Grok 4 is the latest AI model released by xAI, built using the Colossus supercomputer to offer state-of-the-art reasoning, natural language understanding, and multimodal capabilities. This model can interpret and generate responses based on text and images, with planned support for video inputs to broaden its contextual awareness. It has demonstrated exceptional results on scientific reasoning and visual tasks, outperforming several leading AI competitors in benchmark evaluations. Targeted at developers, researchers, and technical professionals, Grok 4 delivers powerful tools for complex problem-solving and creative workflows. The model integrates enhanced moderation features to reduce biased or harmful outputs, addressing critiques from previous versions. Grok 4 embodies xAI’s vision of combining cutting-edge technology with ethical AI practices. It aims to support innovative scientific research and practical applications across diverse domains. With Grok 4, xAI positions itself as a strong competitor in the AI landscape. The model represents a leap forward in AI’s ability to understand, reason, and create. Overall, Grok 4 is designed to empower advanced users with reliable, responsible, and versatile AI intelligence.

Grok-2 stands at the forefront of artificial intelligence, demonstrating extraordinary engineering that pushes the boundaries of what AI can achieve. It draws inspiration from the wit and intellect of the Hitchhiker's Guide to the Galaxy, as well as the pragmatic functionality of JARVIS from Iron Man, allowing Grok-2 to surpass standard AI frameworks and act as a genuine companion. With an extensive knowledge base that includes recent developments, Grok-2 offers insights that are not only enlightening but also sprinkled with humor, providing a refreshing viewpoint on human behavior. Its capabilities enable it to address a diverse array of questions with remarkable efficiency, often delivering solutions that are both imaginative and unorthodox. Committed to transparency, Grok-2 deliberately avoids the pitfalls of current cultural biases, striving to be a reliable source of information and entertainment in an increasingly complex world. This distinctive combination of qualities establishes Grok-2 as an essential resource for individuals in search of clarity and connection amidst the rapid changes of modern life. As technology continues to evolve, Grok-2 remains a beacon of innovation and understanding.

The Grok-3 Mini, a creation of xAI, functions as a swift and astute AI companion tailored for those in search of quick yet thorough answers to their questions. While maintaining the essential features of the Grok series, this smaller model presents a playful yet profound perspective on diverse aspects of human life, all while emphasizing efficiency. It is particularly beneficial for individuals who are frequently in motion or have limited access to resources, guaranteeing that an equivalent level of curiosity and support is available in a more compact format. Furthermore, Grok-3 Mini is adept at tackling a variety of inquiries, providing succinct insights that do not compromise on depth or precision, positioning it as a valuable tool for managing the complexities of modern existence. In addition to its practicality, Grok-3 Mini also fosters a sense of engagement, encouraging users to explore their questions further in a user-friendly manner. Ultimately, it represents a harmonious blend of intelligence and usability that addresses the evolving needs of today's users.

Grok 4 Heavy is xAI’s most powerful AI model to date, utilizing a sophisticated multi-agent system architecture to excel in advanced reasoning and multimodal intelligence. Powered by the Colossus supercomputer in Memphis, this model has achieved an impressive 50% score on the difficult HLE benchmark, significantly outperforming many rivals in AI research. Grok 4 Heavy supports various input types including text and images, with video input capabilities expected soon to further enhance its contextual and cultural understanding. This premium-tier AI model is tailored for power users such as developers, technical researchers, and enthusiasts who require unparalleled AI performance for demanding applications. Access to Grok 4 Heavy is offered through the “SuperGrok Heavy” subscription plan priced at $300 per month, which also provides early previews of upcoming features like video generation. xAI has made significant improvements in moderation and content filtering to prevent biased or extremist outputs previously associated with earlier versions. Founded in late 2023, xAI rapidly built a comprehensive AI infrastructure focused on innovation and responsibility. Grok 4 Heavy strengthens xAI’s position as a key player competing against giants like OpenAI, Google DeepMind, and Anthropic. It embodies the vision of an AI system capable of self-improvement and pioneering new scientific breakthroughs. Grok 4 Heavy marks a new era of AI sophistication and practical capability for advanced users.