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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/A
Reasoning (gpqa-diamond)
67.6%

Cost & Performance

Cost (per 1M tokens)11.4x cheaper
$0.14Input: $0.05 | Output: $0.40
Speed
137 tps
Context Window
400k tokens
Model Specs

Grok 4.3

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+22.5%)
90.1%

Cost & Performance

Cost (per 1M tokens)
$1.56Input: $1.25 | Output: $2.50
Speed1.5x faster
209 tps
Context WindowLarger
1M tokens

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