OpenAI
GPT-5.5 Pro
VS
xAI
Grok 4.3
Decision Recommendation
⚖️ Trade-off decision: Choose GPT-5.5 Pro 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 43.2x cheaper.
Model Specs
GPT-5.5 Pro
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)Winner (+6.1%)
96.2%Cost & Performance
Cost (per 1M tokens)
$67.50Input: $30.00 | Output: $180.00Speed
74 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)43.2x cheaper
$1.56Input: $1.25 | Output: $2.50Speed2.8x faster
209 tpsContext Window
1M tokensWant to customize weights or add more models?
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