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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: $15.00
Speed
74 tps
Context Window
1.05M tokens
Model 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: $30.00
Speed
72.7 tps
Context Window
1.05M tokens

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