OpenAI
GPT-5 nano
VS
xAI
Grok 4.3
Decision Recommendation
⚖️ Trade-off decision: Choose Grok 4.3 if you need the absolute highest accuracy for complex logic and coding. Choose GPT-5 nano if you want to optimize your budget, as it is 11.4x cheaper.
Model Specs
GPT-5 nano
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)
67.6%Cost & Performance
Cost (per 1M tokens)11.4x cheaper
$0.14Input: $0.05 | Output: $0.40Speed
137 tpsContext Window
400k tokensModel Specs
Grok 4.3
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)Winner (+22.5%)
90.1%Cost & Performance
Cost (per 1M tokens)
$1.56Input: $1.25 | Output: $2.50Speed1.5x faster
209 tpsContext WindowLarger
1M tokensWant to customize weights or add more models?
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