Introducing Gemini 3.8 Flash and 3.8 Flash Cyber

Google DeepMind releases Gemini 3.8 Flash and 3.8 Flash Cyber with improved reasoning, coding, and cybersecurity vulnerability detection and automated patching.

Google DeepMind introduced Gemini 3.8 Flash, its strongest reasoning and coding model, priced at $0.75 per million input and $3.75 per million output tokens, alongside Gemini 3.8 Flash Cyber, a cybersecurity-specialized variant offered to trusted defenders via the Fairwind Program. The Cyber variant shows frontier-level autonomous vulnerability discovery on CyberGym, exceeds 70% success on an internal benchmark spanning 20 programming languages, and scores 47.2% pass@1 on the CWE-Bench patching benchmark. Google reports it produced 2.6x more correct Chrome vulnerability patches than larger commercial models and found a critical foundational bug in under 2 hours.

• Gemini 3.8 Flash scores 54.9% on HLE-Verified and beats larger frontier models on DeepSWE v1.1
• 3.8 Flash Cyber exceeds 70% success on internal vulnerability discovery benchmark across 20 languages
• Chrome Security team saw 2.6x more correct patches versus best commercial models
• Models ship with CBRN and cyber-offense misuse safeguards per Frontier Safety Framework
• Significant prompt injection robustness gains measured by Gray Swan