DeepSeek R1 vs Claude 3 Opus

Compare DeepSeek R1 by DeepSeek against Claude 3 Opus by Anthropic, context windows of 128K vs 200K, tested across 12 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 or Claude 3 Opus?

DeepSeek R1 and Claude 3 Opus are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $15/M for Claude 3 Opus. Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 and Claude 3 Opus

DeepSeek R1 is made by deepseek while Claude 3 Opus is from anthropic. DeepSeek R1 has a 128K token context window compared to Claude 3 Opus's 200K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $15/M for Claude 3 Opus.

Our Verdict
Claude 3 Opus
Claude 3 Opus
DeepSeek R1
DeepSeek R1Runner-up

No community votes yet. On paper, Claude 3 Opus has the edge — bigger model tier, bigger context window.

DeepSeek R1 is 34x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

DeepSeek R1 uses 800.0x more bold

DeepSeek R1
Claude 3 Opus
62%Vocabulary54%
15wSentence Length14w
0.52Hedging0.48
8.0Bold0.0
5.7Lists3.0
0.04Emoji0.00
0.62Headings0.00
0.28Transitions0.06
Based on 22 + 3 text responses
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