Llama 3.1 405B vs o1
Compare Llama 3.1 405B by Meta AI against o1 by OpenAI, context windows of 128K vs 128K, tested across 12 shared challenges.
Our Verdict
Llama 3.1 405B
o1
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 405B is 19x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Llama 3.1 405B
Input
$2.70
5.6× cheaper
Output
$3.10
19× cheaper
o1
Input
$15.00
Output
$60.00
Llama 3.1 405B is cheaper on both — 5.6× input, 19× output
Writing DNA
Style Comparison
Similarity
46%
o1 uses 503.7x more bold
Llama 3.1 405B
o1
56%Vocabulary64%
15wSentence Length16w
0.41Hedging0.76
0.0Bold5.0
1.9Lists2.6
0.03Emoji0.00
0.00Headings0.44
0.16Transitions0.40
Based on 5 + 13 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
