DeepSeek Prover V2 vs Claude Opus 4

Compare DeepSeek Prover V2 by DeepSeek against Claude Opus 4 by Anthropic, context windows of 164K vs 200K, tested across 6 shared challenges. Updated April 2026.

Which is better, DeepSeek Prover V2 or Claude Opus 4?

DeepSeek Prover V2 and Claude Opus 4 are both competitive models. DeepSeek Prover V2 costs $0/M input tokens vs $15/M for Claude Opus 4. Context windows: 164K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek Prover V2 and Claude Opus 4

DeepSeek Prover V2 is made by deepseek while Claude Opus 4 is from anthropic. DeepSeek Prover V2 has a 164K token context window compared to Claude Opus 4's 200K. On pricing, DeepSeek Prover V2 costs $0/M input tokens vs $15/M for Claude Opus 4.

Our Verdict
DeepSeek Prover V2
DeepSeek Prover V2
Claude Opus 4
Claude Opus 4

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
51%

Claude Opus 4 uses 52.1x more hedging

DeepSeek Prover V2
Claude Opus 4
47%Vocabulary64%
8wSentence Length62w
0.00Hedging0.52
3.1Bold4.4
0.0Lists9.1
0.00Emoji0.11
0.35Headings1.87
0.19Transitions0.27
Based on 1 + 16 text responses
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DeepSeek Prover V2Claude Opus 4

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
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