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Microsoft adds Grok 4 to Azure AI Foundry following cautious trials — Elon Musk’s latest AI model is now available to deploy for “frontier‑level reasoning”

Grok 4, the latest AI model produced by Elon Musk’s xAI, is now available for enterprise customers inside Azure AI Foundry. Microsoft has added Grok 4 to its library after a series of prior internal testing to make sure it doesn’t go on tangents again. It has a 128K-token context window and focuses on STEM workloads over basic tasks.