DeepSeek V3.1 vs GPT OSS 120B
Compare DeepSeek V3.1 by DeepSeek against GPT OSS 120B by OpenAI, in 88 community votes, deepseek v3.1 and gpt oss 120b are closely matched, context windows of 164K vs 131K, tested across 54 shared challenges.
Web Design: DeepSeek V3.1 wins 57% of votes
Reasoning: GPT OSS 120B wins 69% of votes
Image Generation: DeepSeek V3.1 and GPT OSS 120B are tied
Conversation: DeepSeek V3.1 wins 63% of votes
Analysis: DeepSeek V3.1 wins 100% of votes
Our Verdict
DeepSeek V3.1Winner
GPT OSS 120BRunner-up
Votes are split, but DeepSeek V3.1 wins more categories. Slight edge to DeepSeek V3.1.
Pick DeepSeek V3.1 for Analysis, Conversation, Web Design. Pick GPT OSS 120B for Reasoning.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
Output
$0.80
GPT OSS 120B
Input
$0.18
1.1× cheaper
Output
$0.80
Writing DNA
Style Comparison
Similarity
46%
GPT OSS 120B uses 6.5x more emoji
DeepSeek V3.1
GPT OSS 120B
53%Vocabulary52%
14wSentence Length19w
0.42Hedging0.28
4.0Bold7.4
3.6Lists1.8
0.02Emoji0.15
0.40Headings0.73
0.22Transitions0.17
Based on 23 + 21 text responses
Research
What we learned reading every model
FAQ
