Gemini 4 Pro (Leaked Benchmark) vs GPT-6.1 Sol

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

Gemini 4 Pro (Leaked Benchmark)

Developed by Google DeepMind · Proprietary Omni-Modal Unified Diffusion Transformer parameters

Repository-scale 2M-token refactoring (88.7% DeepSWE v1.1), headless shell execution (95.3% Terminal-Bench 2.1), and multimodal desktop agent autonomy (86.8% OSWorld 2.0).

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 Pro (Leaked Benchmark) GPT-6.1 Sol
SWE-bench Verified 88.7% 74.8%
MMLU-Pro 93.8% 92.4%
MATH-500 97.8% 96.2%
Context Window 2,000,000 tokens 1,000,000 tokens
Input Pricing (per 1M) $2.25 $1.25
Output Pricing (per 1M) $11.25 $5.00