OpenAIGPT-5.4 ProVSxAIGrok 4.20
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing GPT-5.4 Pro and Grok 4.20 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)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
67.6%graduate-level science QA
Cost & Context
Cost (per 1M tokens)21.8x cheaper
$0.14Input: $0.05 | Output: $0.40Context Window
400k tokensBenchmarks & Scores
Coding (swe-bench-pro)
51.8%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+22.4%)
90%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$3.00Input: $2.00 | Output: $6.00Context WindowLarger
1.05M tokensFrequently Asked Questions about GPT-5.4 Pro vs Grok 4.20
GPT-5.4 Pro is cheaper than Grok 4.20. GPT-5.4 Pro has a blended cost of $0.14/1M tokens, which is about 21.8x cheaper than Grok 4.20 at $3.00/1M tokens.
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