Gemini 3.8 Flash Cyber

Released on September 2, 2026

Changes from previous version

Same foundational intelligence as Gemini 3.8 Flash, tuned for defensive vulnerability discovery and automated patching. Access is gated to government, critical-infrastructure, and software-maintainer partners in the Fairwind Program rather than the public Gemini API.

Release Summary

Cybersecurity-specialized sibling of Gemini 3.8 Flash, available only to trusted defenders through Google's Fairwind Program. Frontier-level vulnerability discovery on CyberGym (86.2% Pass@1) and 71.0% on Google's internal 20-language benchmark, with CWE-Bench Pass@1 of 47.2% on the cost-accuracy Pareto frontier. No public API or listed token price.

Timeline

September 2, 2026

Gemini 3.8 Flash Cyber released

Google launches Gemini 3.8 Flash Cyber for trusted defenders through the Fairwind Program, alongside the public 3.8 Flash release.