Claude Sonnet 4.5
Nothing here. The model returned empty. We stared at it for a while.
Claude Sonnet 4.5 vs Grok 3
Compare Claude Sonnet 4.5 by Anthropic against Grok 3 by xAI, context windows of 200K vs 128K, tested across 42 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.5 or Grok 3?
Claude Sonnet 4.5 and Grok 3 are both competitive models. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4.5 and Grok 3
Claude Sonnet 4.5 is made by anthropic while Grok 3 is from xai. Claude Sonnet 4.5 has a 200K token context window compared to Grok 3's 128K.
Our Verdict
Claude Sonnet 4.5
Grok 3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
Writing DNA
Style Comparison
Similarity
80%
Claude Sonnet 4.5 uses 11.5x more emoji
Claude Sonnet 4.5
Grok 3
64%Vocabulary49%
94wSentence Length18w
0.48Hedging0.94
4.9Bold2.5
8.0Lists3.0
0.45Emoji0.04
1.91Headings0.65
0.07Transitions0.08
Based on 20 + 17 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
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