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Gemini 4 Carbon

Announced frontier Gemini version with multi-day engineering and strong cyber benchmarks; selected defender access is planned, with broader rollout pending. Reviewed evidence does not establish a current artifact-access category.

DOOM SCORE84.4out of 100model risk profile, not the overall index
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CURRENT ASSESSMENT · REVISION 1

Why this model scores 84.4

Capability 99 and autonomy 98 reflect frontier results and reported days-long work; deployment 30 reflects the restricted planned cohort. Misuse 97 reflects cyber transferability. Control difficulty 80 retains substantial uncertainty despite measured mitigations. Availability remains Unknown: promised rollout does not affirm current public artifacts, proprietary external access or exclusively internal use.

Capability99
Autonomy98
Deployment30
Misuse potential97
Control difficulty80
WATCH AND EXPLORE

Reviewed videos from Artificial Intelligence Videos. These links add context and never change a DoomBench score.

Thumbnail for Matthew Berman reviews Gemini 4 Carbon benchmarks
14:44

Matthew Berman reviews Gemini 4 Carbon benchmarks

Matthew Berman examines Google’s Gemini 4 Carbon announcement, benchmark results, rollout plans, pricing and model efficiency.

Explains this exact Carbon announcement, benchmark claims, staged rollout and cost; explicitly notes the presenter had not yet used it, so this is not an independent hands-on validation.
MODEL-ATTRIBUTED EVIDENCE

News tied to Gemini 4 Carbon

The model score of 84.4 rates this model's risk profile. The overall Doom Index of 68.7 measures the complete temporally weighted evidence record. These values answer different questions.

NET MODEL-ATTRIBUTED INDEX CONTRIBUTION+0.14

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.

Capability TOWARD

Google announces Gemini 4 Carbon for restricted cyber-defender rollout

Google announced Gemini 4 Carbon with stronger cyber benchmarks and reported multi-day engineering workflows. Initial access is planned for selected cyber defenders; broader access remains pending. Its claimed reductions in misalignment and prompt-injection success are bounded evaluations, not proof of general safety.

Full item contribution
+0.14
Gemini 4 Carbon equal share
+0.14
Read assessment →
AUDIT TRAIL

Model score history

  1. R1
    Doom Score 84.4

    Create the exact Carbon profile from its dated announcement; leave artifact availability Unknown rather than infer Closed or Internal from a promised cohort.

    29 Oct 2026

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DoomBench social sharing card for Gemini 4 Carbon.

  1. Gemini 4 Carbon by Google has a DoomBench model risk score of 84.4 out of 100, based on five transparent version-specific dimensions rather than the overall index.

  2. Gemini 4 Carbon's highest current DoomBench dimension is capability at 99.0 out of 100; the profile publishes every component score and its editorial rationale.

  3. DoomBench links 1 source-backed evidence item to Gemini 4 Carbon, 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-4-carbon