OpenAI
GPT-5.4
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 if you want to optimize your budget, as it is 2.0x cheaper.
Model Specs
GPT-5.4
Benchmarks & Scores
Coding (swe-bench-pro)
57.7%Reasoning (gpqa-diamond)
92.8%Cost & Performance
Cost (per 1M tokens)2.0x cheaper
$5.63Input: $2.50 | Output: $15.00Speed
74 tpsContext Window
1.05M tokensModel Specs
GPT-5.5
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+0.9%)
58.6%Reasoning (gpqa-diamond)Winner (+0.8%)
93.6%Cost & Performance
Cost (per 1M tokens)
$11.25Input: $5.00 | Output: $30.00Speed
72.7 tpsContext Window
1.05M tokensWant to customize weights or add more models?
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