xAIGrok 4.20VSxAIGrok 4.3
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Grok 4.20 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)
51.8%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
90%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$3.00Input: $2.00 | Output: $6.00Context Window
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+0.1%)
90.1%graduate-level science QA
Cost & Context
Cost (per 1M tokens)1.9x cheaper
$1.56Input: $1.25 | Output: $2.50Context Window
1.05M tokensFrequently Asked Questions about Grok 4.20 vs Grok 4.3
Grok 4.3 is cheaper than Grok 4.20. Grok 4.3 has a blended cost of $1.56/1M tokens, which is about 1.9x cheaper than Grok 4.20 at $3.00/1M tokens.
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