Microsoft AI Releases MAI-Cyber-1-Flash: A 5B-Active-Parameter Cyber Model That Pushes MDASH to 95.95% on CyberGym

Summary

<p>Microsoft AI has released MAI-Cyber-1-Flash, its first model built specifically for cyber defense. It is a 137B total, 5B active sparse MoE fine-tune of MAI-Code-1-Flash with a 256k context window. The model does not ship as a standalone endpoint — it runs inside MDASH, Microsoft's multi-model agentic scanning harness, where it handles up to 90% of tasks and pushes the system to 95.95% on CyberGym.</p> <p>The post <a href="https://www.marktechpost.com/2026/07/28/microsoft-ai-releases-mai-cyber-1-flash-a-5b-active-parameter-cyber-model-that-pushes-mdash-to-95-95-on-cybergym/">Microsoft AI Releases MAI-Cyber-1-Flash: A 5B-Active-Parameter Cyber Model That Pushes MDASH to 95.95% on CyberGym</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>