AnthropicClaude Opus 5VSOpenAIGPT-5.4 Pro
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Claude Opus 5 and GPT-5.4 Pro 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)
79.2%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+26.1%)
93.7%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$10.00Input: $5.00 | Output: $25.00Context WindowLarger
1.05M tokensBenchmarks & 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)72.7x cheaper
$0.14Input: $0.05 | Output: $0.40Context Window
400k tokensFrequently Asked Questions about Claude Opus 5 vs GPT-5.4 Pro
GPT-5.4 Pro is cheaper than Claude Opus 5. GPT-5.4 Pro has a blended cost of $0.14/1M tokens, which is about 72.7x cheaper than Claude Opus 5 at $10.00/1M tokens.
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