DeepSeek R1 vs OpenAI: GPT-5.6 Luna Pro
Compare DeepSeek R1 by DeepSeek against OpenAI: GPT-5.6 Luna Pro by OpenAI, context windows of 128K vs 1.1M, tested across 53 shared challenges.
Our Verdict
DeepSeek R1
OpenAI: GPT-5.6 Luna Pro
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 R1
Input
$0.55
1.8× cheaper
Output
$2.19
2.7× cheaper
OpenAI: GPT-5.6 Luna Pro
Input
$1.00
Output
$6.00
DeepSeek R1 is cheaper on both — 1.8× input, 2.7× output
Writing DNA
Style Comparison
Similarity
55%
OpenAI: GPT-5.6 Luna Pro uses 12.4x more emoji
DeepSeek R1
OpenAI: GPT-5.6 Luna Pro
62%Vocabulary58%
15wSentence Length18w
0.52Hedging0.81
8.0Bold2.9
5.7Lists5.1
0.04Emoji0.54
0.62Headings1.10
0.28Transitions0.09
Based on 22 + 27 text responses
Research
What we learned reading every model
FAQ
