Claude Opus 4.6 vs DeepSeek V4 Pro
Compare Claude Opus 4.6 by Anthropic against DeepSeek V4 Pro by DeepSeek, in 5 community votes, claude opus 4.6 wins 75% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 53 shared challenges.
Reasoning: Claude Opus 4.6 and DeepSeek V4 Pro are tied
Our Verdict
Claude Opus 4.6Winner
DeepSeek V4 ProRunner-up
Pick Claude Opus 4.6. In 5 blind votes, Claude Opus 4.6 wins 75% of the time. That's not luck.
DeepSeek V4 Pro is 7.2x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude Opus 4.6
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
44%
Claude Opus 4.6 uses 5.9x more emoji
Claude Opus 4.6
DeepSeek V4 Pro
53%Vocabulary57%
35wSentence Length18w
0.68Hedging0.52
5.2Bold3.3
2.9Lists2.3
0.21Emoji0.04
1.34Headings0.45
0.03Transitions0.15
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
