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Claude Opus 4.5 vs Llama 4 Maverick

Compare Claude Opus 4.5 by Anthropic against Llama 4 Maverick by Meta AI, tested across 53 shared challenges. Updated April 2026.

Which is better, Claude Opus 4.5 or Llama 4 Maverick?

Claude Opus 4.5 and Llama 4 Maverick are both competitive models. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4.5 and Llama 4 Maverick

Claude Opus 4.5 is made by anthropic while Llama 4 Maverick is from meta.

Our Verdict
Claude Opus 4.5
Claude Opus 4.5
Llama 4 Maverick
Llama 4 Maverick

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

Too close to call
Writing DNA

Style Comparison

Similarity
100%

Claude Opus 4.5 uses 15.2x more emoji

Claude Opus 4.5
Llama 4 Maverick
64%Vocabulary42%
55wSentence Length24w
0.86Hedging0.76
5.8Bold3.7
4.5Lists6.3
0.15Emoji0.00
1.59Headings0.74
0.05Transitions0.11
Based on 24 + 12 text responses
vs

Ask them anything yourself

Claude Opus 4.5Llama 4 Maverick

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
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