ModelGoogle · Joined Oct 28, 2026

Gemini 4 Carbon

Google's strongest model, aimed at cybersecurity and long-horizon coding, in limited access.

Available for Cyber defenders and trusted partners through the Fairwind Program

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Official page Report a correction

The basics

Checked Nov 3

Status: RestrictedAvailable to a subset of cyber defenders, with wider access planned.

Updates

Oct 28

Price change

Gemini 4 Carbon will launch at $2 input and $10 output per million tokens

Carbon launches at the same introductory price as Argon, with cached input tokens at 95% off. After the introductory period the price rises to $4 per 1M input tokens and $20 per 1M output tokens.

Before

$2 input and $10 output per 1M tokens (introductory)

After

$4 input and $20 output per 1M tokens

Oct 28

New release

Gemini 4 Carbon, Google's strongest model, opens first to a subset of cyber defenders

Google announced Gemini 4 Carbon, its strongest model, with access starting this week for a subset of cyber defenders. Access will widen gradually to trusted partners through the Fairwind Program, with broader availability to developers, businesses and consumers coming later.

Full changelog, by month

Role

Gemini 4 CarbonCurrent
Oct 2026 to now · 1 month
Gemini 4 ArgonOct 2026 to now · 1 month

Similar models

Gemini 4 Argon

$2 in, $10 out

Similar models for now. Real viewing data comes after launch.

Benchmarks

Self-reported by Google

SEC-bench Pro

Finding vulnerabilities

88.2%

ExploitGym

Exploitation

54.8%

CWE-bench

Patching vulnerabilities (Collinear)

71.0%

What people say

Reviews

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Research sources

Researched Nov 3, 2026. Each section's own sources open with its Show sources button.