OpenAI
GPT-5.5
VS
xAI
Grok 4.3
Decision Recommendation
⚖️ Trade-off decision: Choose GPT-5.5 if you need the absolute highest accuracy for complex logic and coding. Choose Grok 4.3 if you want to optimize your budget, as it is 7.2x cheaper.
Model Specs
GPT-5.5
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+)
58.6%Reasoning (gpqa-diamond)Winner (+3.5%)
93.6%Cost & Performance
Cost (per 1M tokens)
$11.25Input: $5.00 | Output: $30.00Speed
72.7 tpsContext WindowLarger
1.05M tokensModel Specs
Grok 4.3
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)
90.1%Cost & Performance
Cost (per 1M tokens)7.2x cheaper
$1.56Input: $1.25 | Output: $2.50Speed2.9x faster
209 tpsContext Window
1M tokensWant to customize weights or add more models?
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