Google
Gemini 3.5 Flash
VS
OpenAI
GPT-5.5 Pro
Decision Recommendation
📊 Comparison Summary: Gemini 3.5 Flash and GPT-5.5 Pro present close characteristics. Review the specific benchmark scorelines below to determine which engine matches your needs.
Model Specs
Gemini 3.5 Flash
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+)
55.1%Reasoning (gpqa-diamond)
92.2%Cost & Performance
Cost (per 1M tokens)20.0x cheaper
$3.38Input: $1.50 | Output: $9.00Speed3.8x faster
280 tpsContext Window
1M tokensModel Specs
GPT-5.5 Pro
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)Winner (+4.0%)
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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