Claude Opus 4.5
Nothing here. The model returned empty. We stared at it for a while.
Claude Opus 4.5 vs DeepSeek R1 0528
Compare Claude Opus 4.5 by Anthropic against DeepSeek R1 0528 by DeepSeek, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.5 or DeepSeek R1 0528?
Claude Opus 4.5 and DeepSeek R1 0528 are both competitive models. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.5 and DeepSeek R1 0528
Claude Opus 4.5 is made by anthropic while DeepSeek R1 0528 is from deepseek.
Our Verdict
Claude Opus 4.5
DeepSeek R1 0528
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
75%
Claude Opus 4.5 uses 15.2x more emoji
Claude Opus 4.5
DeepSeek R1 0528
64%Vocabulary64%
55wSentence Length10w
0.86Hedging0.30
5.8Bold6.8
4.5Lists4.9
0.15Emoji0.00
1.59Headings0.40
0.05Transitions0.00
Based on 24 + 4 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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