Anthropic
Claude Sonnet 4.6
VS
xAI
Grok 4.20
Decision Recommendation
👑 Grok 4.20 strictly dominates Claude Sonnet 4.6 across all metrics. It is cheaper, faster, and smarter. There is no major reason to choose Claude Sonnet 4.6 over it.
Model Specs
Claude Sonnet 4.6
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)
79.9%Cost & Performance
Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00Speed
54.3 tpsContext Window
1M tokensModel Specs
Grok 4.20
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+)
51.8%Reasoning (gpqa-diamond)Winner (+10.1%)
90%Cost & Performance
Cost (per 1M tokens)2.0x cheaper
$3.00Input: $2.00 | Output: $6.00Speed4.3x faster
233 tpsContext Window
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