Microsoft Cyber Light Closed weights

MAI-Cyber-1-Flash

108 days since Microsoft announced it · 27 Jul 2026

MAI-Cyber-1-Flash is a closed-weights cyber model from Microsoft, announced 27 Jul 2026. Its context window is 256K tokens. It has 137B parameters.

Input: —; per 1M tokens
Cache write: —; per 1M tokens
Cache read: —; per 1M tokens
Output: —; per 1M tokens
Context window: 256K; tokens
Parameters: 137B; total

No price on the lab’s own pages.

Announcement: microsoft.ai/news/introducing-mai-cyber-1-flash
Docs: microsoft.ai/pdf/MAI-Cyber-1-Flash-Model-Card.pdf
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Microsoft AI launches its first cybersecurity model
13 Aug 2026
Microsoft AI launches MAI-Cyber-1-Flash security model
29 Jul 2026

Microsoft · Light · MAI-Cyber

closed weights

MAI-Cyber-1.1-Flash +92d 27 Oct 2026
MAI-Cyber-1-Flash 27 Jul 2026

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Facts last updated 11 Nov 2026, from Microsoft’s own pages.