OpenAI: GPT-5.6 Luna vs Llama 3.1 70B (Instruct)
Compare OpenAI: GPT-5.6 Luna by OpenAI against Llama 3.1 70B (Instruct) by Meta AI, context windows of 1.1M vs 128K, tested across 52 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Luna
Llama 3.1 70B (Instruct)
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Llama 3.1 70B (Instruct) is 7.6x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
Llama 3.1 70B (Instruct)
Input
$0.59
1.7× cheaper
Output
$0.79
7.6× cheaper
Llama 3.1 70B (Instruct) is cheaper on both — 1.7× input, 7.6× output
Writing DNA
Style Comparison
Similarity
58%
OpenAI: GPT-5.6 Luna uses 119.5x more headings
OpenAI: GPT-5.6 Luna
Llama 3.1 70B (Instruct)
59%Vocabulary51%
19wSentence Length18w
0.84Hedging0.46
2.7Bold3.4
4.5Lists5.6
0.00Emoji0.00
1.20Headings0.00
0.10Transitions0.06
Based on 27 + 15 text responses
Research
What we learned reading every model
FAQ
