OpenAI
GPT-5.4 nano
VS
OpenAI
GPT-5.5
Decision Recommendation
⚖️ Trade-off decision: Choose GPT-5.5 if you need the absolute highest accuracy for complex logic and coding. Choose GPT-5.4 nano if you want to optimize your budget, as it is 24.3x cheaper.
Model Specs
GPT-5.4 nano
Benchmarks & Scores
Coding (swe-bench-pro)
52.4%Reasoning (gpqa-diamond)
81.7%Cost & Performance
Cost (per 1M tokens)24.3x cheaper
$0.46Input: $0.20 | Output: $1.25Speed2.6x faster
191 tpsContext Window
400k tokensModel Specs
GPT-5.5
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+6.2%)
58.6%Reasoning (gpqa-diamond)Winner (+11.9%)
93.6%Cost & Performance
Cost (per 1M tokens)
$11.25Input: $5.00 | Output: $30.00Speed
72.7 tpsContext WindowLarger
1.05M tokensWant to customize weights or add more models?
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