DeepSeek V4 Pro vs Horizon Alpha
Compare DeepSeek V4 Pro by DeepSeek against Horizon Alpha by OpenRouter, context windows of 1.0M vs 256K, tested across 33 shared challenges.
Our Verdict
DeepSeek V4 Pro
Horizon AlphaRunner-up
No community votes yet. On paper, DeepSeek V4 Pro has the edge — bigger model tier, newer, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V4 Pro
Input
$1.74
Output
$3.48
Horizon Alpha
Input
$0.000
Output
$0.000
Writing DNA
Style Comparison
Similarity
72%
DeepSeek V4 Pro uses 328.4x more bold
DeepSeek V4 Pro
Horizon Alpha
57%Vocabulary65%
18wSentence Length14w
0.52Hedging0.22
3.3Bold0.0
2.3Lists3.5
0.04Emoji0.00
0.45Headings0.00
0.15Transitions0.12
Based on 27 + 14 text responses
Research
What we learned reading every model
FAQ
