Claude Opus 4.7 vs DeepSeek V4 Flash
Compare Claude Opus 4.7 by Anthropic against DeepSeek V4 Flash by DeepSeek, context windows of 1.0M vs 1.0M, tested across 54 shared challenges.
Our Verdict
Claude Opus 4.7
DeepSeek V4 FlashRunner-up
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier.
DeepSeek V4 Flash is 89x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.7
Input
$5.00
Output
$25.00
DeepSeek V4 Flash
Input
$0.14
36× cheaper
Output
$0.28
89× cheaper
DeepSeek V4 Flash is cheaper on both — 36× input, 89× output
Writing DNA
Style Comparison
Similarity
35%
Claude Opus 4.7 uses 86.2x more emoji
Claude Opus 4.7
DeepSeek V4 Flash
64%Vocabulary54%
20wSentence Length17w
0.51Hedging0.52
4.6Bold3.6
3.8Lists2.6
0.86Emoji0.00
1.60Headings0.41
0.03Transitions0.19
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
