DeepSeek Prover V2 vs OpenAI o4-mini
Compare DeepSeek Prover V2 by DeepSeek against OpenAI o4-mini by OpenAI, tested across 6 shared challenges. Updated May 2026.
Which is better, DeepSeek Prover V2 or OpenAI o4-mini?
DeepSeek Prover V2 and OpenAI o4-mini are both competitive models. DeepSeek Prover V2 costs $0/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between DeepSeek Prover V2 and OpenAI o4-mini
DeepSeek Prover V2 is made by deepseek while OpenAI o4-mini is from openai. On pricing, DeepSeek Prover V2 costs $0/M input tokens vs $1.1/M for OpenAI o4-mini.
API pricing
Per 1M tokens
DeepSeek Prover V2
Input
$0.000
Output
$0.000
OpenAI o4-mini
Input
$1.10
Output
$4.40
Our Verdict
DeepSeek Prover V2
OpenAI o4-miniRunner-up
No community votes yet. On paper, DeepSeek Prover V2 has the edge — bigger model tier, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
63%
OpenAI o4-mini uses 18.3x more hedging
DeepSeek Prover V2
OpenAI o4-mini
47%Vocabulary73%
8wSentence Length15w
0.00Hedging0.18
3.1Bold0.0
0.0Lists2.1
0.00Emoji0.00
0.35Headings0.00
0.19Transitions0.02
Based on 1 + 10 text responses
FAQ
