Gemini 4 Carbon

by Google

Gemini 4 Carbon is a Google frontier model announced on October 28, 2026. Google describes improvements in coding, sustained agentic workflows, scientific tasks, full-stack web development and multimodal understanding. Its cybersecurity work covers finding vulnerabilities, validating risk and patching root causes. Google is rolling out access first to selected cyber defenders and trusted partners through the Fairwind Program. Access for developers, businesses and consumers is coming later. Carbon is not yet available through Opper.

Key info

Input
Output
Features
Context window
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Max output
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Best for

How Gemini 4 Carbon scores on each use case.

Benchmarks

Independent benchmark scores: the Intelligence Index and the individual evaluations behind it, grouped by skill.

Global rank#1 of 504 LLMs
TierFrontier
Output speed100 tok/s
Intelligence Index59.4
Coding
FrontierCode 2.0
41%
Terminal-Bench 4.0
65%
SciCode
64%
Agentic & knowledge work
AutomationBench
78%
GDPval
62%
GDP.pdf
28%
Briefcase (Elo)1609
Science & reasoning
Terminal-Bench Science
65%
CritPt (hard)
63%
HLE Diamond
69%
Humanity's Last Exam
60%
Long-context reasoning
79%
Knowledge
Omniscience53.5
By domain
Finance & accounting
62.6
Legal
62.0
Engineering
64.7
Economics
61.0
Strategy & operations
60.9

Available routes

No routes currently available — Gemini 4 Carbon isn't routed through the Opper gateway right now. It may return.

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