Microsoft and xAI Launch Grok 4 on Azure AI Foundry with Advanced Features
Microsoft and xAI launch Grok 4 on Azure AI Foundry, featuring advanced reasoning and safety capabilities.
- • Grok 4 features a 128K-token context window and enhanced reasoning capabilities.
- • It was trained on a supercomputer with 10x the training scale of Grok 3.
- • Built-in safety features ensure responsible AI use.
- • Grok 4 offers real-time data integration for advanced applications.
Key details
Microsoft, in collaboration with xAI, has officially launched Grok 4 on the Azure AI Foundry platform as of September 29, 2025. This latest iteration of the Grok AI model introduces significant advancements aimed at enhancing business applications and user capabilities in artificial intelligence.
Grok 4 features a remarkable 128,000-token context window, which greatly improves its ability to manage extensive texts without losing critical context. This ability is particularly beneficial for tasks involving document analysis and programming, enabling the model to process and reason through larger data sets effectively. Enhanced reasoning features allow Grok 4 to tackle complex problems with a scientific approach, relying on first-principles reasoning methods. Moreover, the integration of external data sources allows Grok 4 to provide real-time insights, improving the relevance and accuracy of its responses in dynamic environments.
Trained on xAI's Colossus supercomputer, Grok 4 boasts a tenfold increase in training scale compared to its predecessor, Grok 3. This bodes well for its performance across various applications, including STEM-related tasks. Safety and responsibility have been prioritized in its design, with built-in Azure AI Content Safety features ensuring accountability and compliance in its usage.
In terms of accessibility, Grok 4 is competitively priced at $5.50 per million tokens for input and $27.50 for output. Microsoft encourages users to employ Grok 4 responsibly, leveraging Azure’s robust safety protocols to monitor AI outputs continuously. This launch is a testament to Microsoft's commitment to ongoing innovation in AI, reinforcing its position as a leader in the technology sector.
As Grok 4 becomes available, it also marks the introduction of other optimized Grok models within the Azure AI Foundry, highlighting a broader strategy to enhance AI functionalities across various applications.
Microsoft’s move with Grok 4 reflects its dedication to pushing the boundaries of AI capabilities, ensuring businesses can leverage advanced tools to meet their evolving needs.