Microsoft Says New Cybersecurity AI Model Helps MDASH Hit 95.95% at Half the Cost

Microsoft announced MAI-Cyber-1-Flash, a 137B-parameter sparse mixture-of-experts model fine-tuned for cybersecurity and deployed inside the MDASH system; Microsoft reports a system-level CyberGym score of 95.95% when MAI-Cyber-1-Flash is routed with GPT-5.4, claims ~50% cost savings versus prior MDASH mixes, and notes the model is available only to approved MDASH customers in an Azure AI Foundry private preview while cautioning about benchmark limitations and potential inaccuracies in generated code.