Announcing the GPT-4.1 model series for Azure AI Foundry developers

We are excited to share the launch of the next iteration of the GPT model series with GPT-4.1, 4.1-mini, and 4.1-nano to Microsoft Azure OpenAI Service. The GPT-4.1 models bring improved capabilities and significant advancements in coding, instruction following, and long-context processing that is critical for developers. We’re also excited to announce fine-tuning support for GPT-4.1 and 4.1-mini, allowing developers to further customize the models for their specific business needs...

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