Claude 3 Sonnet vs Llama 4 Scout

Compare Claude 3 Sonnet by Anthropic against Llama 4 Scout by Meta AI, tested across 13 shared challenges. Updated April 2026.

Which is better, Claude 3 Sonnet or Llama 4 Scout?

Claude 3 Sonnet and Llama 4 Scout are both competitive models. Claude 3 Sonnet costs $3/M input tokens vs $0.25/M for Llama 4 Scout. Compare their real outputs side by side below.

Key Differences Between Claude 3 Sonnet and Llama 4 Scout

Claude 3 Sonnet is made by anthropic while Llama 4 Scout is from meta. On pricing, Claude 3 Sonnet costs $3/M input tokens vs $0.25/M for Llama 4 Scout.

Our Verdict
Claude 3 Sonnet
Claude 3 Sonnet
Llama 4 Scout
Llama 4 Scout

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Llama 4 Scout is 30x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
96%

Llama 4 Scout uses 412.3x more bold

Claude 3 Sonnet
Llama 4 Scout
48%Vocabulary43%
14wSentence Length42w
0.32Hedging0.81
0.0Bold4.1
3.6Lists7.3
0.00Emoji0.00
0.00Headings0.30
0.38Transitions0.04
Based on 4 + 10 text responses
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Claude 3 SonnetLlama 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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