OpenAIGPT-5.4 nanoVSxAIGrok 4.3
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing GPT-5.4 nano and Grok 4.3 directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Benchmarks & Scores
Coding (swe-bench-pro)
52.4%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
82.8%graduate-level science QA
Cost & Context
Cost (per 1M tokens)3.4x cheaper
$0.46Input: $0.20 | Output: $1.25Context Window
400k tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+7.3%)
90.1%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$1.56Input: $1.25 | Output: $2.50Context WindowLarger
1.05M tokensFrequently Asked Questions about GPT-5.4 nano vs Grok 4.3
GPT-5.4 nano is cheaper than Grok 4.3. GPT-5.4 nano has a blended cost of $0.46/1M tokens, which is about 3.4x cheaper than Grok 4.3 at $1.56/1M tokens.
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