Gemini 3.8 Flash Cyber
A cybersecurity post-training of Gemini 3.8 Flash with more permissive safeguards, offered only to trusted defenders — government authorities, critical infrastructure operators, and software maintainers — through Google's Fairwind Program
Gemini 3.8 Flash Cyber
Google • September 2026
Training Data
Inherited from Gemini 3.8 Flash
Gemini 3.8 Flash Cyber
September 2026
Parameters
Not disclosed
Training Method
Cybersecurity-focused post-training of Gemini 3.8 Flash
Context Window
1,048,576 tokens
Knowledge Cutoff
March 2026
Key Features
Fairwind Program Only • Automated Vulnerability Patching • Relaxed Cyber Safeguards
Capabilities
Cybersecurity: Outstanding
Vulnerability Discovery: Outstanding
Cost Efficiency: Excellent
What's New in This Version
Produced 2.6x more correct Chrome vulnerability patches than the best, much larger commercial models, and scored 47.2% pass@1 on CWE-Bench against 47.8% for the leading frontier model at far lower cost, surpassing Gemini 3.5 Flash Cyber on CyberGym
A cybersecurity post-training of Gemini 3.8 Flash with more permissive safeguards, offered only to trusted defenders — government authorities, critical infrastructure operators, and software maintainers — through Google's Fairwind Program
What's New in This Version
Produced 2.6x more correct Chrome vulnerability patches than the best, much larger commercial models, and scored 47.2% pass@1 on CWE-Bench against 47.8% for the leading frontier model at far lower cost, surpassing Gemini 3.5 Flash Cyber on CyberGym
Technical Specifications
Key Features
Capabilities
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