Grok is an AI model launched by xAI, a company founded by Elon Musk, and Grok 4 is the newest version of it. Grok 4 release date is set for July 9, 2025, roughly three months after the launch of its predecessor. What is new and special about Grok 4 AI? Let’s look into it.

Grok 4 variants

Skipping Grok 3.5, xAI is releasing an improved version designed to challenge all the existing flagman AI models. Grok 4 has two variants:

  • Grok 4 is a general-purpose tool focused on natural language, reasoning, and math. It is a default version for most users, available via API or the web interface.
  • Grok 4 Code indicates the model’s tendency to be inclined towards engineering and programming, and is designed to meet the developers’ needs. It is expected to be integrated with AI code editors like Cursor.

While the model is not yet publicly accessible, developers have already spotted partial API access to “grok‑4‑0629” through the xAI Console. As of now, only the text version is available. Most likely, Grok 4 will be supporting only text after the launch, with image, audio, and possibly video generation capabilities to come.

Grok‑4‑prod‑mimic is another version spotted via xAI Console. It is designed to deal with enterprise needs like data extraction, text summarization, and tasks in domains like law, finance, and healthcare.

Key improvements

Grok 4 is built on xAI’s new Colossus supercluster, one of the world’s largest supercomputers, reportedly trained with 200,000 GPUs. The model Grok 4 was trained not only to compile the facts and repeat the information, but to process and “understand” it, improving symbolic reasoning, math skills, and logic compared to the previous Grok versions. It is taught to be able to “think” and is optimized for developers and engineers, being integrated into the tools they use. Extended API access will allow users to integrate the model with more platforms, including Cursor and Microsoft Azure. While still providing more unfiltered answers and real-time data, Grok 4 is reported to be more serious when needed, if compared to previous versions.

What new features can we expect from the Grok 4 project, which sounds ambitious enough to outperform previous versions of Grok and, possibly, other AI models?

  • New enterprise focus: Grok‑4‑prod‑mimic for financial, legal, and healthcare domains.
  • New multimodal abilities: previous Grok versions supported text only, while Grok-4, with time, is expected to process images and audio.
  • New integration capabilities: formerly available at X, the improved Grok will be accessible at Azure and code editors.

Grok vs ChatGPT

Grok 4 is believed to be the first version of the model to compete with ChatGPT. If Grok 2 vs ChatGPT 4 could hardly withstand comparison in terms of reasoning, availability, complex topics, and versatility, the new version is believed to challenge the most widely used AI model.

Let’s see how Grok vs ChatGPT 4 performs if compared:

  • Grok 4 is focused on thinking and coding, with strong reasoning in math and science, while ChatGPT 4/4o is more versatile.
  • Being able to process audio and images is ChatGPT’s strong side as of now, but with time, Grok 4 promises to become multimodal as well.
  • Grok 4 keeps the models’ main benefit in the Grok vs GPT 4 battle: access to real-time data via the X platform, which makes it optimal for social listening and trending topics research.
  • Same as Grok 3 vs GPT 4 and Grok 2 vs GPT 4, the new version provides less restricted and even sarcastic answers. However, Grok 4 is reported to be more balanced and serious when the context requires.

Bottom line

  • Grok 4 is trained on one of the largest AI supercomputers, Colossus, and is smarter than earlier versions with improved logic, reasoning, and math.
  • Special versions of Grok 4 focused on code and business make the model a better choice for developers and enterprises.
  • Wider integrations and multimodal support are notable improvements of Grok 4; the latter, however, is to be added after official release.
  • Tight integration with X and up-to-date data access make Grok a relevant choice for trending topics and social listening purposes.
  • Grok is less filtered and formal than ChatGPT, which enables it to cover a wider range of topics, at the same time making the model potentially problematic for younger audiences.

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