DeepSeek R1 vs OpenAI: GPT-5.6 Luna
Compare DeepSeek R1 by DeepSeek against OpenAI: GPT-5.6 Luna by OpenAI, context windows of 128K vs 1.1M, tested across 53 shared challenges.
Our Verdict
DeepSeek R1
OpenAI: GPT-5.6 Luna
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
Input
$1.00
Output
$6.00
DeepSeek R1 is cheaper on both — 1.8× input, 2.7× output
Writing DNA
Style Comparison
Similarity
45%
DeepSeek R1 uses 4.3x more emoji
DeepSeek R1
OpenAI: GPT-5.6 Luna
62%Vocabulary59%
15wSentence Length19w
0.52Hedging0.84
8.0Bold2.7
5.7Lists4.5
0.04Emoji0.00
0.62Headings1.20
0.28Transitions0.10
Based on 22 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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