Claude 3 Opus vs Llama 4 Scout

Compare Claude 3 Opus by Anthropic against Llama 4 Scout by Meta AI, context windows of 200K vs 10.0M, tested across 12 shared challenges. Updated April 2026.

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

Claude 3 Opus and Llama 4 Scout are both competitive models. Claude 3 Opus costs $15/M input tokens vs $0.25/M for Llama 4 Scout. Context windows: 200K vs 10000K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3 Opus and Llama 4 Scout

Claude 3 Opus is made by anthropic while Llama 4 Scout is from meta. Claude 3 Opus has a 200K token context window compared to Llama 4 Scout's 10000K. On pricing, Claude 3 Opus costs $15/M input tokens vs $0.25/M for Llama 4 Scout.

Our Verdict
Claude 3 Opus
Claude 3 Opus
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 150x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
84%

Llama 4 Scout uses 412.3x more bold

Claude 3 Opus
Llama 4 Scout
54%Vocabulary43%
14wSentence Length42w
0.48Hedging0.81
0.0Bold4.1
3.0Lists7.3
0.00Emoji0.00
0.00Headings0.30
0.06Transitions0.04
Based on 3 + 10 text responses
vs

Ask them anything yourself

Claude 3 OpusLlama 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
Free preview13 of 58 slides
FAQ

Common questions