Claude Opus 4.8 vs DeepSeek V4 Pro
Compare Claude Opus 4.8 by Anthropic against DeepSeek V4 Pro by DeepSeek, context windows of 1.0M vs 1.0M, tested across 54 shared challenges.
Our Verdict
Claude Opus 4.8
DeepSeek V4 Pro
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V4 Pro is 7.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.8
Input
$5.00
Output
$25.00
DeepSeek V4 Pro
Input
$1.74
2.9× cheaper
Output
$3.48
7.2× cheaper
DeepSeek V4 Pro is cheaper on both — 2.9× input, 7.2× output
Writing DNA
Style Comparison
Similarity
48%
Claude Opus 4.8 uses 22.2x more emoji
Claude Opus 4.8
DeepSeek V4 Pro
60%Vocabulary57%
19wSentence Length18w
0.46Hedging0.52
4.7Bold3.3
3.2Lists2.3
0.78Emoji0.04
1.15Headings0.45
0.04Transitions0.15
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
