GPT-5 Codex vs Llama 4 Scout
Compare GPT-5 Codex by OpenAI against Llama 4 Scout by Meta AI, tested across 49 shared challenges. Updated June 2026.
Which is better, GPT-5 Codex or Llama 4 Scout?
GPT-5 Codex and Llama 4 Scout are both competitive models. Compare their real outputs side by side below.
Key Differences Between GPT-5 Codex and Llama 4 Scout
GPT-5 Codex is made by openai while Llama 4 Scout is from meta.
Our Verdict
GPT-5 Codex
Llama 4 ScoutRunner-up
No community votes yet. On paper, GPT-5 Codex has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
GPT-5 Codex
Input
—
Output
—
Llama 4 Scout
Input
$0.25
Output
$0.50
Writing DNA
Style Comparison
Similarity
35%
GPT-5 Codex uses 14.6x more emoji
GPT-5 Codex
Llama 4 Scout
64%Vocabulary43%
17wSentence Length42w
0.38Hedging0.81
2.3Bold4.1
3.5Lists7.3
0.15Emoji0.00
0.49Headings0.30
0.05Transitions0.04
Based on 13 + 10 text responses
Research
What we learned reading every model
FAQ
Common questions
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