Claude Sonnet 3.6 (2022-10-22) vs Grok 3

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against Grok 3 by xAI, in 1 community votes, grok 3 wins 100% of head-to-head duels, context windows of 200K vs 128K, tested across 53 shared challenges. Updated April 2026.

Which is better, Claude Sonnet 3.6 (2022-10-22) or Grok 3?

Grok 3 is the better choice overall, winning 100% of 1 blind community votes on Rival. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 3.6 (2022-10-22) and Grok 3

Claude Sonnet 3.6 (2022-10-22) is made by anthropic while Grok 3 is from xai. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to Grok 3's 128K. In community voting, In 1 community votes, Grok 3 wins 100% of head-to-head duels.

In 1 community votes, Grok 3 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.

Our Verdict
Grok 3
Grok 3Winner
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Runner-up

Pick Grok 3. In 1 blind votes, Grok 3 wins 100% of the time. That's not luck.

Clear winner
Writing DNA

Style Comparison

Similarity
80%

Grok 3 uses 3.9x more emoji

Claude Sonnet 3.6 (2022-10-22)
Grok 3
66%Vocabulary49%
74wSentence Length18w
0.72Hedging0.94
0.3Bold2.5
8.9Lists3.0
0.00Emoji0.04
0.06Headings0.65
0.09Transitions0.08
Based on 21 + 17 text responses
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Claude Sonnet 3.6 (2022-10-22)Grok 3

279 AI models invented the same fake scientist.

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AI Hallucination Index 2026
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