Grok 4.1 Fast vs Llama 4 Scout

Compare Grok 4.1 Fast by xAI against Llama 4 Scout by Meta AI, tested across 54 shared challenges. Updated April 2026.

Which is better, Grok 4.1 Fast or Llama 4 Scout?

Grok 4.1 Fast and Llama 4 Scout are both competitive models. Compare their real outputs side by side below.

Key Differences Between Grok 4.1 Fast and Llama 4 Scout

Grok 4.1 Fast is made by xai while Llama 4 Scout is from meta.

Our Verdict
Grok 4.1 Fast
Grok 4.1 Fast
Llama 4 Scout
Llama 4 ScoutRunner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer.

Too close to call
Writing DNA

Style Comparison

Similarity
98%

Llama 4 Scout uses 4.8x more hedging

Grok 4.1 Fast
Llama 4 Scout
67%Vocabulary43%
15wSentence Length42w
0.17Hedging0.81
4.7Bold4.1
3.7Lists7.3
0.00Emoji0.00
0.99Headings0.30
0.14Transitions0.04
Based on 24 + 10 text responses
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Grok 4.1 FastLlama 4 Scout

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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