Claude 2 vs xAI: Grok 4

Compare Claude 2 by Anthropic against xAI: Grok 4 by xAI, context windows of 100K vs 256K, tested across 3 shared challenges. Updated April 2026.

Which is better, Claude 2 or xAI: Grok 4?

Claude 2 and xAI: Grok 4 are both competitive models. Claude 2 costs $11.02/M input tokens vs $3/M for xAI: Grok 4. Context windows: 100K vs 256K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 2 and xAI: Grok 4

Claude 2 is made by anthropic while xAI: Grok 4 is from xai. Claude 2 has a 100K token context window compared to xAI: Grok 4's 256K. On pricing, Claude 2 costs $11.02/M input tokens vs $3/M for xAI: Grok 4.

Our Verdict
xAI: Grok 4
xAI: Grok 4
Claude 2
Claude 2Runner-up

No community votes yet. On paper, xAI: Grok 4 has the edge — newer, bigger context window.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

xAI: Grok 4 uses 67.3x more hedging

Claude 2
xAI: Grok 4
65%Vocabulary53%
13wSentence Length18w
0.00Hedging0.67
0.0Bold2.7
10.2Lists2.7
0.00Emoji0.07
0.00Headings0.86
0.00Transitions0.04
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Claude 2xAI: Grok 4

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