The Hallway Track
Product Launches

Bring Your Own Model in VS, Foundry Models, .NET Conf Sets Date | The Upload Ep 4

Microsoft Developer (Build) · Aug 31, 2026 · Product Launches

Visual Studio now lets developers swap AI models from OpenAI, Anthropic, and Llama at project level.

“Model choice becomes a project level decision instead of a platform default.”

Microsoft launched 'Bring Your Own Model' in Visual Studio preview, letting developers route IDE AI features through models from Foundry, OpenAI, Anthropic, or self-hosted Llama endpoints. Separately, Azure Foundry's model router expanded to 49 regions and added GPT-5.6 and Claude Opus 4.8 to its pool. Both moves signal Microsoft shifting toward model-agnostic developer tooling, with a notable caveat that custom models can bypass built-in responsible AI filtering.

visual-studio developer-tools bring-your-own-model azure-foundry anthropic openai model-routing

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