Google
Gemini 3.1 Pro
VS
OpenAI
GPT-5.5 Pro
Decision Recommendation
📊 Comparison Summary: Gemini 3.1 Pro and GPT-5.5 Pro present close characteristics. Review the specific benchmark scorelines below to determine which engine matches your needs.
Model Specs
Gemini 3.1 Pro
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+)
54.2%Reasoning (gpqa-diamond)
94.3%Cost & Performance
Cost (per 1M tokens)15.0x cheaper
$4.50Input: $2.00 | Output: $12.00Speed1.5x faster
109 tpsContext Window
1M tokensModel Specs
GPT-5.5 Pro
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)Winner (+1.9%)
96.2%Cost & Performance
Cost (per 1M tokens)
$67.50Input: $30.00 | Output: $180.00Speed
74 tpsContext WindowLarger
1.05M tokensWant to customize weights or add more models?
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