Llama 3.1 405B vs Owl Alpha
Compare Llama 3.1 405B by Meta AI against Owl Alpha by OpenRouter, context windows of 128K vs 1.0M, tested across 12 shared challenges. Updated May 2026.
Which is better, Llama 3.1 405B or Owl Alpha?
Llama 3.1 405B and Owl Alpha are both competitive models. Llama 3.1 405B costs $2.7/M input tokens vs $0/M for Owl Alpha. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Llama 3.1 405B and Owl Alpha
Llama 3.1 405B is made by meta while Owl Alpha is from openrouter. Llama 3.1 405B has a 128K token context window compared to Owl Alpha's 1049K. On pricing, Llama 3.1 405B costs $2.7/M input tokens vs $0/M for Owl Alpha.
API pricing
Per 1M tokens
Llama 3.1 405B
Input
$2.70
Output
$3.10
Owl Alpha
Input
$0.000
Output
$0.000
Our Verdict
Llama 3.1 405B
Owl Alpha
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
Writing DNA
Style Comparison
Similarity
43%
Owl Alpha uses 450.1x more bold
Llama 3.1 405B
Owl Alpha
56%Vocabulary59%
15wSentence Length21w
0.41Hedging0.56
0.0Bold4.5
1.9Lists3.1
0.03Emoji0.58
0.00Headings0.88
0.16Transitions0.10
Based on 5 + 26 text responses
FAQ
