DeepSeek V4 Flash 0731 vs GPT OSS 120B
Compare DeepSeek V4 Flash 0731 by DeepSeek against GPT OSS 120B by OpenAI, context windows of 1.0M vs 131K, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
GPT OSS 120B
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
API pricing
Cost per 1M tokens
DeepSeek V4 Flash 0731
Input
$0.14
1.3× cheaper
Output
$0.28
2.9× cheaper
GPT OSS 120B
Input
$0.18
Output
$0.80
DeepSeek V4 Flash 0731 is cheaper on both — 1.3× input, 2.9× output
Writing DNA
Style Comparison
Similarity
64%
GPT OSS 120B uses 15.4x more emoji
DeepSeek V4 Flash 0731
GPT OSS 120B
52%Vocabulary52%
18wSentence Length19w
0.38Hedging0.28
5.7Bold7.4
3.4Lists1.8
0.00Emoji0.15
0.83Headings0.73
0.04Transitions0.17
Based on 23 + 21 text responses
Research
What we learned reading every model
FAQ
