What is the difference between GPT-5.1 Codex Max and Llama 4 Scout?

GPT-5.1 Codex Max is developed by OpenAI while Llama 4 Scout is developed by Meta AI. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Codex Max or Llama 4 Scout?

It depends on your use case. GPT-5.1 Codex Max and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How can I compare GPT-5.1 Codex Max and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of GPT-5.1 Codex Max and Llama 4 Scout across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between GPT-5.1 Codex Max and Llama 4 Scout?

GPT-5.1 Codex Max is developed by OpenAI while Llama 4 Scout is developed by Meta AI. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Codex Max or Llama 4 Scout?

It depends on your use case. GPT-5.1 Codex Max and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How can I compare GPT-5.1 Codex Max and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of GPT-5.1 Codex Max and Llama 4 Scout across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

GPT-5.1 Codex Max vs Llama 4 Scout: Which Is Better?

Updated Dec 2025

Our Verdict

GPT-5.1 Codex Max

Llama 4 ScoutRunner-up

No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1 Codex Max

Input

—

Output

—

Llama 4 Scout

Input

$0.25

Output

$0.50

Writing DNA

Style Comparison

Similarity

41%

Llama 4 Scout uses 2.7x more sentence length

GPT-5.1 Codex Max

Llama 4 Scout

60%Vocabulary43%

16wSentence Length42w

0.36Hedging0.81

2.3Bold4.1

4.2Lists7.3

0.00Emoji0.00

0.12Headings0.30

0.03Transitions0.04

Based on 13 + 10 text responses

Research

What we learned reading every model

GPT-5.1 Codex Max and Llama 4 Scout have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 Codex Max vs Llama 4 MaverickCross-provider

GPT-5.1 Codex Max vs MiniMax M3New provider

GPT-5.1 Codex Max vs Grok 3New provider

Updated Dec 2025

Our Verdict

GPT-5.1 Codex Max

Llama 4 ScoutRunner-up

No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1 Codex Max

Input

—

Output

—

Llama 4 Scout

Input

$0.25

Output

$0.50

Writing DNA

Style Comparison

Similarity

41%

Llama 4 Scout uses 2.7x more sentence length

GPT-5.1 Codex Max

Llama 4 Scout

60%Vocabulary43%

16wSentence Length42w

0.36Hedging0.81

2.3Bold4.1

4.2Lists7.3

0.00Emoji0.00

0.12Headings0.30

0.03Transitions0.04

Based on 13 + 10 text responses

Research

What we learned reading every model

GPT-5.1 Codex Max and Llama 4 Scout have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 Codex Max vs Llama 4 MaverickCross-provider

GPT-5.1 Codex Max vs MiniMax M3New provider

GPT-5.1 Codex Max vs Grok 3New provider