Gemini 4 Carbon vs GPT-6.1 Sol

A direct, empirical evaluation of Gemini 4 Carbon (Google DeepMind) against GPT-6.1 Sol (OpenAI).

Gemini 4 Carbon

Developed by Google DeepMind · Carbon-Aware Frontier Transformer on TPU v6e parameters

Sub-watt green computing, 62% energy reduction per million tokens, carbon-aware datagrid routing, and eco-tier batch execution discounts.

GPT-6.1 Sol

Developed by OpenAI · Proprietary Frontier Workhorse Engine parameters

Near-Astra reasoning at 1/5th price ($1.25/$5.00), SWE-bench Verified 74.8%, OSWorld 2.0 desktop agent automation, and sub-80ms Ultrafast Mode.

Metric Gemini 4 Carbon GPT-6.1 Sol
SWE-bench Verified 69.2% 74.8%
MMLU-Pro 84.6% 92.4%
MATH-500 91.4% 96.2%
Context Window 1,000,000 tokens 1,000,000 tokens
Input Pricing (per 1M) $0.80 $1.25
Output Pricing (per 1M) $2.40 $5.00