OpenAIGPT-5.4 miniVSxAIGrok 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 mini 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)
54.4%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
87.5%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$1.69Input: $0.75 | Output: $4.50Context Window
400k tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+2.6%)
90.1%graduate-level science QA
Cost & Context
Cost (per 1M tokens)1.1x cheaper
$1.56Input: $1.25 | Output: $2.50Context WindowLarger
1.05M tokensFrequently Asked Questions about GPT-5.4 mini vs Grok 4.3
Grok 4.3 is cheaper than GPT-5.4 mini. Grok 4.3 has a blended cost of $1.56/1M tokens, which is about 1.1x cheaper than GPT-5.4 mini at $1.69/1M tokens.
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