Grok 3 Beta vs Llama 3.1 405B
Compare Grok 3 Beta by xAI against Llama 3.1 405B by Meta AI, context windows of 131K vs 128K, tested across 12 shared challenges.
Our Verdict
Grok 3 Beta
Llama 3.1 405B
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
Grok 3 Beta
Input
$2.00
1.4× cheaper
Output
$4.00
Llama 3.1 405B
Input
$2.70
Output
$3.10
1.3× cheaper
Grok 3 Beta wins input (1.4× cheaper)·Llama 3.1 405B wins output (1.3× cheaper)
Writing DNA
Style Comparison
Similarity
57%
Grok 3 Beta uses 309.1x more bold
Grok 3 Beta
Llama 3.1 405B
48%Vocabulary56%
19wSentence Length15w
0.67Hedging0.41
3.1Bold0.0
5.5Lists1.9
0.00Emoji0.03
0.52Headings0.00
0.28Transitions0.16
Based on 23 + 5 text responses
Research
What we learned reading every model
FAQ
