How OpenAI Ran WebRTC Through Kubernetes

OpenAI published a detailed engineering writeup on how they rebuilt their WebRTC stack for the Realtime API to run on Kubernetes at scale — separating a lightweight UDP relay from the stateful WebRTC transceiver and using the ICE ufrag as a routing hook embedded in standard protocol headers.

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Microsoft Starts Building Its Own

Microsoft released three foundational AI models through Azure AI Foundry on April 2: MAI-Transcribe-1 for speech, MAI-Voice-1 for synthesis, and MAI-Image-2 for generation. These are Microsoft's first internally built foundational models — a quiet but significant signal that the company wants more control over its AI stack than the OpenAI partnership alone provides.

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