AnthropicClaude Opus 5VSxAIGrok 4.3
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 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)
79.2%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+3.6%)
93.7%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$10.00Input: $5.00 | Output: $25.00Context Window
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
90.1%graduate-level science QA
Cost & Context
Cost (per 1M tokens)6.4x cheaper
$1.56Input: $1.25 | Output: $2.50Context Window
1.05M tokensFrequently Asked Questions about Claude Opus 5 vs Grok 4.3
Grok 4.3 is cheaper than Claude Opus 5. Grok 4.3 has a blended cost of $1.56/1M tokens, which is about 6.4x cheaper than Claude Opus 5 at $10.00/1M tokens.
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