DeepSeek V4 Pro vs Gemini 2.5 Pro (I/O Edition)
Compare DeepSeek V4 Pro by DeepSeek against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 40 shared challenges.
Our Verdict
DeepSeek V4 Pro
Gemini 2.5 Pro (I/O Edition)
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 Pro
Input
$1.74
Output
$3.48
2.9× cheaper
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
1.4× cheaper
Output
$10.00
Gemini 2.5 Pro (I/O Edition) wins input (1.4× cheaper)·DeepSeek V4 Pro wins output (2.9× cheaper)
Writing DNA
Style Comparison
Similarity
25%
DeepSeek V4 Pro uses 3.5x more emoji
DeepSeek V4 Pro
Gemini 2.5 Pro (I/O Edition)
57%Vocabulary58%
18wSentence Length16w
0.52Hedging0.38
3.3Bold5.8
2.3Lists5.0
0.04Emoji0.00
0.45Headings0.63
0.15Transitions0.01
Based on 27 + 16 text responses
Research
What we learned reading every model
FAQ
