https://azure.microsoft.com/en-us/blog/introducing-gpt4-in-azure-openai-service/

🔥 GPT-4 is available in preview in Azure OpenAI Service
🔥 GPT-4 will be available as a cloud-based service on Azure, making it easier for developers and businesses to leverage its capabilities
🔥 GPT-4 will have significant advancements in language understanding, reasoning, and generation capabilities due to its large-scale training data and architecture improvements