The company harnessed an immense data centre equipped with approximately 200,000 GPUs to develop Grok 3. According to xAI owner Elon Musk, this project utilised “10x” more computing power than its predecessor, Grok 2, with an expanded dataset that reportedly includes information from legal case filings.

Musk claimed that Grok 3 is a “maximally truth-seeking AI, even if that truth is sometimes at odds with what is politically-correct.”

The Grok 3 rollout includes a family of models designed for different needs. Grok 3 mini, for example, prioritises faster response times over absolute accuracy. However, particularly noteworthy are the new reasoning-focused Grok 3 models.

Dubbed Grok 3 Reasoning and Grok 3 mini Reasoning, these variants aim to emulate human-like cognitive processes by “thinking through” problems. Comparable to models like OpenAI’s o3-mini and DeepSeek’s R1, these reasoning systems attempt to fact-check their responses—reducing the likelihood of errors or missteps.

Grok 3: The benchmark results

xAI asserts that Grok 3 surpasses OpenAI’s GPT-4o in certain benchmarks, including AIME and GPQA, which assess the model’s proficiency in tackling complex problems across mathematics, physics, biology, and chemistry.

The early version of Grok 3 is also currently leading on Chatbot Arena, a crowdsourced evaluation platform where users pit AI models against one another and rank their outputs. The model is the first to break the Arena’s 1400 score.

According to xAI, Grok 3 Reasoning outperforms its rivals on a variety of prominent benchmarks:

These reasoning models are already integrated into features available via the Grok app. Users can select commands like “Think” or activate the more computationally-intensive “Big Brain” mode for tackling particularly challenging questions.

xAI has positioned the reasoning models as ideal tools for STEM (science, technology, engineering, and mathematics) applications, including mathematics, science, and coding challenges.

Guarding against AI distillation

Interestingly, not all of Grok 3’s internal processes are laid bare to users. Musk explained that some of the reasoning models’ “thoughts” are intentionally obscured to prevent distillation—a controversial practice where competing AI developers extract knowledge from proprietary models.

The practice was thrust into the spotlight in recent weeks after Chinese AI firm DeepSeek faced allegations of distilling OpenAI’s models to develop its latest model, R-1.

xAI’s new reasoning models serve as the foundation for a new Grok app feature called DeepSearch. The feature uses Grok models to scan the internet and Musk’s social platform, X, for relevant information before synthesising a detailed abstract in answer to user queries.

Accessing Grok 3 and committing to open-source

Access to the latest Grok model is currently tied to X’s subscription tiers. Premium+ subscribers, who pay $50 (~£41) per month, will receive priority access to the latest functionalities. 

xAI is also introducing a SuperGrok subscription plan, reportedly priced at either $30 per month or $300 annually. SuperGrok subscribers will benefit from enhanced reasoning capabilities, more DeepSearch queries, and unlimited image generation features.

The company also teased upcoming features. Within a week, the Grok app is expected to introduce a voice mode—enabling users to interact with the AI through a synthesised voice similar to Gemini Live.

Musk further revealed plans to release Grok 3 models via an enterprise-ready API in the coming weeks, with DeepSearch functionality included.

Although Grok 3 is still fresh, xAI intends to open-source its predecessor in the coming months. Musk claims that xAI will continue to open-source the last version of Grok.

“When Grok 3 is mature and stable, which is probably within a few months, then we’ll open-source Grok 2,” explains Musk.

The ‘anti-woke’ AI model

Grok has long been marketed as unfiltered, bold, and willing to engage with queries that competitors might avoid. Musk previously described the AI as “anti-woke,” presenting it as a model unafraid to touch on controversial topics. 

True to its promise, early models like Grok and Grok 2 embraced politically-charged queries, even veering into colourful language when prompted. Yet, these versions also revealed some biases when delving deep into political discourse.

“We’re working to shift Grok closer to politically-neutral,” said Musk.

However, whether Grok 3 achieves this goal remains to be seen. With such changes at play, analysts are already highlighting the potential societal impacts of introducing increasingly “truth-seeking” yet politically-sensitive AI systems.

With Grok 3, Musk and xAI have made a bold statement, pushing their technology forward while potentially fuelling debates around bias, transparency, and the ethics of AI deployment.

As competitors like OpenAI, Google, and DeepSeek refine their offerings, Grok 3’s success will hinge on its ability to balance accuracy, user demand, and societal responsibility.

See also: AI in 2025: Purpose-driven models, human integration, and more

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Alongside Grok-2, xAI has introduced Grok-2 mini, a smaller but capable version of the main model. Both are currently in beta on X and will be made available through xAI’s enterprise API later this month.

An early version of Grok-2 was tested on the LMSYS leaderboard under the pseudonym “sus-column-r”. 

At the time of the announcement, xAI claims it is outperforming both Anthropic’s Claude 3.5 Sonnet and OpenAI’s GPT-4-Turbo. However, it’s worth noting that GPT-4o currently holds the top spot as the best AI assistant in terms of overall capabilities, followed by Google’s Gemini 1.5.

xAI’s internal evaluation process employs AI Tutors to assess the models across various real-world tasks. The company states that “Grok-2 has shown significant improvements in reasoning with retrieved content and in its tool use capabilities, such as correctly identifying missing information, reasoning through sequences of events, and discarding irrelevant posts”.

Benchmark results shared by xAI indicate that both Grok-2 and Grok-2 mini demonstrate substantial improvements over Grok-1.5. The models show competitive performance in areas such as graduate-level science knowledge, general knowledge, and maths competition problems. Notably, Grok-2 excels in vision-based tasks, delivering state-of-the-art performance in visual maths reasoning and document-based question answering.

The new Grok experience on X features a redesigned interface and new features. Premium and Premium+ subscribers will have access to both Grok-2 and Grok-2 mini. xAI describes Grok-2 as “more intuitive, steerable, and versatile across a wide range of tasks, whether you’re seeking answers, collaborating on writing, or solving coding tasks”.

xAI is also collaborating with Black Forest Labs to experiment with their FLUX.1 model to expand Grok’s capabilities on X.

For developers, xAI is launching an enterprise API platform later this month. The company promises enhanced security features, rich traffic statistics, and advanced billing analytics. A management API will also be available for integrating team, user, and billing management into existing tools and services.

Looking ahead, xAI plans to roll out multimodal understanding as a core part of the Grok experience on both X and the API. The company’s rapid progress since announcing Grok-1 in November 2023 is attributed to “a small team with the highest talent density”.

xAI’s focus remains on advancing core reasoning capabilities with its new compute cluster, as it aims to maintain its position at the forefront of AI development. However, the company recently agreed to halt the use of certain EU data for training its models.

While the release of Grok-2 marks a significant milestone for xAI, it’s clear that the AI landscape remains highly competitive. With ChatGPT-4o and Google’s Gemini 1.5 leading the pack, and other major players like Anthropic continuing to make advancements, the race for AI supremacy is far from over.

See also: SingularityNET bets on supercomputer network to deliver AGI

Want to learn more about AI and big data from industry leaders? Check out AI & Big Data Expo taking place in Amsterdam, California, and London. The comprehensive event is co-located with other leading events including Intelligent Automation Conference, BlockX, Digital Transformation Week, and Cyber Security & Cloud Expo.

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Musk had initially sued OpenAI in March 2024, alleging breach of contracts, unfair business practices, and failure in fiduciary duty. He claimed that his contributions to the company were made “in exchange for and in reliance on promises that those assets were irrevocably dedicated to building AI for public benefit, with only safety as a countervailing concern.”

The lawsuit sought remedies for “breach of contract, promissory estoppel, breach of fiduciary duty, unfair business practices, and accounting,” as well as specific performance, restitution, and damages.

However, Musk’s filings to withdraw the case provided no explanation for abandoning the lawsuit. OpenAI had previously called Musk’s claims “incoherent” and that his inability to produce a contract made his breach claims difficult to prove, stating that documents provided by Musk “contradict his allegations as to the alleged terms of the agreement.”

The withdrawal of the lawsuit comes at a time when Musk is strongly opposing Apple’s plans to integrate ChatGPT into its operating systems.

During Apple’s keynote event announcing Apple Intelligence for iOS 18, iPadOS 18, and macOS Sequoia, Musk threatened to ban Apple devices from his companies, calling the integration “an unacceptable security violation.”

Despite assurances from Apple and OpenAI that user data would only be shared with explicit consent and that interactions would be secure, Musk questioned Apple’s ability to ensure data security, stating, “Apple has no clue what’s actually going on once they hand your data over to OpenAI. They’re selling you down the river.”

Since bringing the lawsuit against OpenAI, Musk has also created his own AI company, xAI, and secured over $6 billion in funding for his plans to advance the Grok chatbot on his social network, X.

While Musk’s reasoning for dropping the OpenAI lawsuit remains unclear, his actions suggest a potential shift in focus towards advancing his own AI endeavours while continuing to vocalise his criticism of OpenAI through social media rather than the courts.

See also: DuckDuckGo releases portal giving private access to AI models

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The release fulfils Musk’s promise to open source Grok in an effort to accelerate AI development and adoption.

XAI announced the move in a blog post, stating: “We are releasing the base model weights and network architecture of Grok-1, our large language model. Grok-1 is a 314 billion parameter Mixture-of-Experts model trained from scratch by xAI.”

Grok had previously only been available through Musk’s social network X as part of the paid X Premium+ subscription. By open sourcing it, xAI has empowered developers, companies, and enthusiasts worldwide to leverage the advanced language model’s capabilities.

The model’s release includes its weights, which represent the strength of connections between its artificial neurons, as well as documentation and code. However, it omits the original training data and access to real-time data streams that gave the proprietary version an advantage.

Named after a term meaning “understanding” from Douglas Adams’ Hitchhiker’s Guide series, Grok has been positioned as a more open and humorous alternative to OpenAI’s ChatGPT. The move aligns with Musk’s battle against censorship, “woke” ideology displayed by models like Gemini, and his recent lawsuit claiming OpenAI violated its nonprofit principles.

While xAI’s open source release earned praise from open source advocates, some critics raised concerns about potential misuse facilitated by unrestricted access to powerful AI capabilities.

You can find Grok-1 on GitHub here.

(Image Credit: xAI)

See also: Anthropic says Claude 3 Haiku is the fastest model in its class

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Musk’s lawsuit accuses OpenAI of breaching its non-profit status and reneging on a founding agreement to keep the organisation non-profit and release its AI technology publicly. However, OpenAI has refuted these allegations, stating that there is no such agreement with Musk and branding it as a mere “fiction.”

According to court filings, OpenAI asserts that there is no existing agreement with Musk, contradicting his assertions in the lawsuit.

The organisation further alleges that Musk had actually supported the idea of transitioning OpenAI into a for-profit entity under his control. It is claimed that Musk advocated for full control of the company as CEO, majority equity ownership, and even suggested tethering it to Tesla for financial backing. However, negotiations between Musk and OpenAI did not culminate in an agreement, leading to Musk’s withdrawal from the project.

OpenAI’s rebuttal highlights purported emails exchanged between Musk and the organisation, indicating his prior knowledge and support for its transition to a for-profit model. The company suggests that Musk’s lawsuit is driven by his desire to claim credit for OpenAI’s successes after he disengaged from the project.

In response to Musk’s legal action, OpenAI has portrayed his motives as self-serving rather than altruistic, asserting that his lawsuit is a bid to further his own commercial interests under the guise of championing humanity’s cause.

Meanwhile, Musk’s own foray into the realm of artificial intelligence with his company xAI has drawn attention.

Musk announced xAI’s intention to open source its Grok chatbot shortly after OpenAI’s publication of emails purportedly demonstrating Musk’s prior awareness of its non-open source intentions. While this move could be interpreted as a retaliatory gesture against OpenAI, it also presents an opportunity for xAI to garner feedback from developers and enhance its technology.

The legal clash between Musk and OpenAI underscores the complexities surrounding the development and governance of AI technologies, as well as the competing interests within the tech industry.

(Photo by Tim Mossholder on Unsplash)

See also: OpenAI announces new board lineup and governance structure

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