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Gemini 3.8 Flash Cyber

Google's restricted cyber model shares Gemini 3.8's core intelligence and specializes in autonomous vulnerability discovery and patching. It is available externally only to vetted government, infrastructure and security partners through Fairwind.

DOOM SCORE79.7out of 100model risk profile, not the overall index
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CURRENT ASSESSMENT · REVISION 1

Why this model scores 79.7

The model exceeds Gemini 3.5 Flash Cyber on autonomous vulnerability discovery, surpasses 70 percent on Google's multilingual internal benchmark and produced practical security results, but trusted-partner access and operational controls materially constrain deployment and reduce residual control difficulty.

Capability86
Autonomy93
Deployment38
Misuse potential96
Control difficulty76
MODEL-ATTRIBUTED EVIDENCE

News tied to Gemini 3.8 Flash Cyber

The model score of 79.7 rates this model's risk profile. The overall Doom Index of 67.9 measures the complete temporally weighted evidence record. These values answer different questions.

NET MODEL-ATTRIBUTED INDEX CONTRIBUTION-0.04

Each article's current Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores use a bounded temporal offset around their technical profile, but never feed back into the overall index.

Resilience AWAY

Google deploys restricted autonomous cyber defense through Fairwind

Google opened its Fairwind Program to more than 650 trusted government, critical-infrastructure and enterprise partners. Gemini 3.8 Flash Cyber and CodeMender autonomously find and patch vulnerabilities under access and operational controls, with reported use in Chrome and Google Cloud security.

Full item contribution
-0.14
Gemini 3.8 Flash Cyber equal share
-0.14
Read assessment →
Autonomy TOWARD

Google launches Gemini 3.8 Flash and restricted Flash Cyber models

Google released Gemini 3.8 Flash for broad consumer, enterprise and developer access and Gemini 3.8 Flash Cyber for trusted defenders. The shared core improves long-horizon coding, autonomous tool use and vulnerability discovery, while the cyber tier remains access-restricted.

Full item contribution
+0.19
Gemini 3.8 Flash Cyber equal share
+0.10
Read assessment →
AUDIT TRAIL

Model score history

  1. R1
    Doom Score 79.7

    Creates the exact restricted Gemini 3.8 Flash Cyber model record.

    03 Sept 2026

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DoomBench social sharing card for Gemini 3.8 Flash Cyber.

  1. Gemini 3.8 Flash Cyber by Google has a DoomBench model risk score of 79.7 out of 100, based on five transparent version-specific dimensions rather than the overall index.

  2. Gemini 3.8 Flash Cyber's highest current DoomBench dimension is misuse potential at 96.0 out of 100; the profile publishes every component score and its editorial rationale.

  3. DoomBench links 2 source-backed evidence items to Gemini 3.8 Flash Cyber, while keeping the model's risk profile separate from each item's contribution to the live Doom Index.

    https://www.doombench.com/models/google-gemini-3-8-flash-cyber