OpenAI Blog
OpenAI is moving most of its large-scale experiments to run on Microsoft's Azure cloud platform. The companies are implementing this infrastructure shift as part of their expanded partnership. This change consolidates OpenAI's computing operations onto a single major cloud provider rather than distributing them across multiple platforms.
We’re working with Microsoft to start running most of our large-scale experiments on Azure.
The daily briefing
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TLDRocket
21 July 2026
The open-weight AI model market hit an inflection point today as Alibaba and Kimi released trillion-parameter competitors that challenge the closed-model orthodoxy—just as Washington moved to restrict them. Alibaba's Qwen 3.8 Max (2.4 trillion parameters) and Kimi K3 (2.8T) are going open-weight, with K3 ranking first on Frontend Web App Arena and fourth on agentic benchmarks, signaling that scale and transparency can coexist. The timing matters: while U.S. policymakers weigh layered restrictions on Chinese open models, technical experts are pushing back hard, arguing that closed gardens actually hurt security and competition more than they help. The real fragmentation risk isn't technical—it's regulatory.
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