DeepSeek V3.1
Nothing here. The model returned empty. We stared at it for a while.
DeepSeek V3.1 vs OpenAI o4-mini
Compare DeepSeek V3.1 by DeepSeek against OpenAI o4-mini by OpenAI, tested across 35 shared challenges. Updated April 2026.
Which is better, DeepSeek V3.1 or OpenAI o4-mini?
DeepSeek V3.1 and OpenAI o4-mini are both competitive models. DeepSeek V3.1 costs $0.2/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between DeepSeek V3.1 and OpenAI o4-mini
DeepSeek V3.1 is made by deepseek while OpenAI o4-mini is from openai. On pricing, DeepSeek V3.1 costs $0.2/M input tokens vs $1.1/M for OpenAI o4-mini.
Our Verdict
DeepSeek V3.1
OpenAI o4-miniRunner-up
No community votes yet. On paper, DeepSeek V3.1 has the edge — bigger model tier, newer, bigger context window.
DeepSeek V3.1 is 5.5x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
98%
DeepSeek V3.1 uses 395.2x more bold
DeepSeek V3.1
OpenAI o4-mini
53%Vocabulary73%
14wSentence Length15w
0.42Hedging0.18
4.0Bold0.0
3.6Lists2.1
0.02Emoji0.00
0.40Headings0.00
0.22Transitions0.02
Based on 23 + 10 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ