Foundry Model Router Expands from Two Regions to 28, Refreshing Its Model Pool

Microsoft expanded Foundry's model router from two regions to 28 for global standard and 21 for data zone deployments, while adding Claude Opus 4.8 and GPT-5.6 and removing four deprecated models. Default deployments receive pool changes automatically; configured subsets exclude new models until added. The effective context window equals the smallest model in the pool. By Steef-Jan Wiggers

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