Claude Opus 4.6
Nothing here. The model returned empty. We stared at it for a while.
Claude Opus 4.6 vs DeepSeek R1 0528
Compare Claude Opus 4.6 by Anthropic against DeepSeek R1 0528 by DeepSeek, context windows of 1.0M vs 164K, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.6 or DeepSeek R1 0528?
Claude Opus 4.6 and DeepSeek R1 0528 are both competitive models. Claude Opus 4.6 costs $5/M input tokens vs $0/M for DeepSeek R1 0528. Context windows: 1000K vs 164K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.6 and DeepSeek R1 0528
Claude Opus 4.6 is made by anthropic while DeepSeek R1 0528 is from deepseek. Claude Opus 4.6 has a 1000K token context window compared to DeepSeek R1 0528's 164K. On pricing, Claude Opus 4.6 costs $5/M input tokens vs $0/M for DeepSeek R1 0528.
Our Verdict
Claude Opus 4.6
DeepSeek R1 0528Runner-up
No community votes yet. On paper, Claude Opus 4.6 has the edge — newer, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
75%
Claude Opus 4.6 uses 20.7x more emoji
Claude Opus 4.6
DeepSeek R1 0528
53%Vocabulary64%
35wSentence Length10w
0.68Hedging0.30
5.2Bold6.8
2.9Lists4.9
0.21Emoji0.00
1.34Headings0.40
0.03Transitions0.00
Based on 23 + 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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