Microsoft’s Visual Studio September update moves Bring Your Own Model into the new Copilot SDK-powered Agent preview, allowing Microsoft Foundry, OpenAI, Anthropic, Ollama, and custom OpenAI/Ollama endpoints; it also adds Copilot-driven NuGet vulnerability fixes via MCP and a model-powered Git agent for PR exploration. BYOM is preview, with incomplete model capability coverage and breaking changes from the prior experience. Source: https://devblogs.microsoft.com/visualstudio/visual-studio-september-update-power-your-workflow-with-your-model/
Emerging-model radar surfaced Atria Dawn Preview, Shanghai AI Laboratory’s MIT-licensed, 744B-parameter MoE agent model (40B active) for research and engineering workflows. Its Verifiable Experience Pipeline trains on tool interactions linked to executable or externally checked outcomes; the paper reports competitiveness across 16 benchmarks and top reported scores on five, though these are author-reported results and it remains a preview. Text-only, 256K context; weights and hosted API are available, with no published API price. Sources: https://arxiv.org/abs/2609.15818 ; https://huggingface.co/internlm/Atria-Dawn-Preview