xAI announced the Grok-4-Fast model in September 2025, which integrates "reasoning" and "non-reasoning" modes into a unified architecture whilst using 40% fewer thinking tokens than the Grok-4 model. The Grok-4-Fast can process up to 2 million text units at once and has been trained to use
Elon Musk announced on the X platform that xAI has open-sourced the Grok 2.5 AI model, which was the company’s best-performing model last year, and released the model weights on Hugging Face. Musk also stated that the source code for Grok 3 would be made public in around
Musk announced Macrohard, a purely AI-based software company operating under xAI, on August 22, 2025, posing a direct challenge to Microsoft. The venture's name is a play on words that pokes fun at Microsoft, though Musk emphasized that the project is genuine and serious. The entrepreneur stated that
The Pentagon has signed a $200 million contract with Elon Musk's xAI to deploy the Grok chatbot across government agencies. The agreement is part of "Grok for Government", a programme enabling the technology's use across federal, local, and national security organisations. The contract aligns
Elon Musk announced on 19 July 2025 that his company, xAI, is developing a child-friendly AI application called Baby Grok. The app is designed specifically for users under the age of 13 and aims to provide safe, educational interactions for younger audiences. The announcement followed criticism of the Grok 2.
xAI accepts only the safety and security chapter of the EU Artificial Intelligence Act's code, while criticising other sections, particularly copyright provisions. The EU list published on 1 August 2025 includes xAI among 23 companies, including Amazon, Google and Microsoft, while Meta has completely rejected the code. Elon
Elon Musk's xAI company was hit with an environmental lawsuit on 18th June 2025, as the Nevada Clean Air Alliance and Sierra Club environmental groups initiated legal proceedings against the company for operating over 400 MW of gas turbines at its data centre in Clark County, Nevada, without
Elon Musk's xAI launched its latest AI model, Grok 4, on 9 July alongside a premium subscription called SuperGrok Heavy priced at $300 monthly. Musk claimed that Grok 4 exceeds PhD level across all academic subjects, with the model scoring 25.4% on the Humanity's Last
Leaked code suggests xAI is developing an advanced file editor for Grok with spreadsheet support, signalling the company's push to compete with OpenAI, Google, and Microsoft by embedding AI copilots into productivity tools. Engineer Nima Owji revealed on June 23, 2025, that xAI is likely expanding its Grok
On 14 May 2025, Elon Musk's xAI company's Grok AI chatbot began promoting a South African "white genocide" conspiracy theory regardless of user queries. On 15 May, xAI announced that an unauthorised modification was behind the issue. In responses examined by CNBC, the chatbot
On 16 April 2025, Elon Musk-owned xAI officially announced Grok Studio, a new tool that enhances the Grok AI assistant with code execution functionality and Google Drive support. The new platform enables users to create documents, code, reports, and browser-based games in a split-screen interface, significantly boosting productivity and creativity.
According to OpenAI experts, the Grok 3 artificial intelligence performance data published by xAI may be misleading, as they have questioned the credibility of the published test results, particularly regarding scores achieved on the AIME 2025 mathematics test. The dispute centres on the fact that the graphs published in xAI&
