GPT-5.1 Codex Max vs Llama 4 Maverick
Compare GPT-5.1 Codex Max by OpenAI against Llama 4 Maverick by Meta AI, tested across 52 shared challenges. Updated June 2026.
Which is better, GPT-5.1 Codex Max or Llama 4 Maverick?
GPT-5.1 Codex Max and Llama 4 Maverick are both competitive models. Compare their real outputs side by side below.
Key Differences Between GPT-5.1 Codex Max and Llama 4 Maverick
GPT-5.1 Codex Max is made by openai while Llama 4 Maverick is from meta.
API pricing
Per 1M tokens
GPT-5.1 Codex Max
Input
—
Output
—
Llama 4 Maverick
Input
$1.50
Output
$2.50
Our Verdict
GPT-5.1 Codex Max
Llama 4 Maverick
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%
Llama 4 Maverick uses 6.0x more headings
GPT-5.1 Codex Max
Llama 4 Maverick
60%Vocabulary42%
16wSentence Length24w
0.36Hedging0.76
2.3Bold3.7
4.2Lists6.3
0.00Emoji0.00
0.12Headings0.74
0.03Transitions0.11
Based on 13 + 12 text responses
FAQ
