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
vs

Ask them anything yourself

Claude 3 SonnetLlama 4 Scout

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%

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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