Claude 3 Haiku
Nothing here. The model returned empty. We stared at it for a while.
Claude 3 Haiku vs xAI: Grok 4
Compare Claude 3 Haiku by Anthropic against xAI: Grok 4 by xAI, context windows of 200K vs 256K, tested across 38 shared challenges. Updated April 2026.
Which is better, Claude 3 Haiku or xAI: Grok 4?
Claude 3 Haiku and xAI: Grok 4 are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $3/M for xAI: Grok 4. Context windows: 200K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Haiku and xAI: Grok 4
Claude 3 Haiku is made by anthropic while xAI: Grok 4 is from xai. Claude 3 Haiku has a 200K token context window compared to xAI: Grok 4's 256K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $3/M for xAI: Grok 4.
Our Verdict
xAI: Grok 4
Claude 3 HaikuRunner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer.
Claude 3 Haiku is 12x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
xAI: Grok 4 uses 7.0x more emoji
Claude 3 Haiku
xAI: Grok 4
50%Vocabulary53%
22wSentence Length18w
0.71Hedging0.67
0.3Bold2.7
5.9Lists2.7
0.00Emoji0.07
0.00Headings0.86
0.08Transitions0.04
Based on 13 + 21 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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