What is the difference between GPT-5.4 Pro and Llama 4 Scout?

GPT-5.4 Pro is developed by OpenAI while Llama 4 Scout is developed by Meta AI. GPT-5.4 Pro has a 1.1M token context window vs Llama 4 Scout's 10.0M. You can compare their actual outputs across 18 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Pro or Llama 4 Scout?

It depends on your use case. GPT-5.4 Pro and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 18 challenges so you can judge which fits your needs best.

How much does GPT-5.4 Pro cost compared to Llama 4 Scout?

GPT-5.4 Pro costs $30/M input tokens and Llama 4 Scout costs $0.25/M input tokens. Llama 4 Scout is $29.75/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-5.4 Pro and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of GPT-5.4 Pro 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-5.4 Pro and Llama 4 Scout?

GPT-5.4 Pro is developed by OpenAI while Llama 4 Scout is developed by Meta AI. GPT-5.4 Pro has a 1.1M token context window vs Llama 4 Scout's 10.0M. You can compare their actual outputs across 18 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Pro or Llama 4 Scout?

It depends on your use case. GPT-5.4 Pro and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 18 challenges so you can judge which fits your needs best.

How much does GPT-5.4 Pro cost compared to Llama 4 Scout?

GPT-5.4 Pro costs $30/M input tokens and Llama 4 Scout costs $0.25/M input tokens. Llama 4 Scout is $29.75/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-5.4 Pro and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of GPT-5.4 Pro 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-5.4 Pro vs Llama 4 Scout: Which Is Better?

Updated Mar 2026

Our Verdict

GPT-5.4 Pro

Llama 4 ScoutRunner-up

No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer.

Llama 4 Scout is 360x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.4 Pro

Input

$30.00

Output

$180.00

Llama 4 Scout

Input

$0.25

120× cheaper

Output

$0.50

360× cheaper

Llama 4 Scout is cheaper on both — 120× input, 360× output

Writing DNA

Style Comparison

Similarity

72%

GPT-5.4 Pro uses 8.4x more headings

GPT-5.4 Pro

Llama 4 Scout

50%Vocabulary43%

35wSentence Length42w

0.70Hedging0.81

7.5Bold4.1

8.3Lists7.3

0.00Emoji0.00

2.52Headings0.30

0.01Transitions0.04

Based on 12 + 10 text responses

Research

What we learned reading every model

GPT-5.4 Pro 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

Llama 4 Scout vs MiniMax M3New provider

GPT-5.4 Pro vs Llama 4 MaverickCross-provider

Llama 4 Scout vs Claude Opus 4New provider

Updated Mar 2026

Our Verdict

GPT-5.4 Pro

Llama 4 ScoutRunner-up

No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer.

Llama 4 Scout is 360x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.4 Pro

Input

$30.00

Output

$180.00

Llama 4 Scout

Input

$0.25

120× cheaper

Output

$0.50

360× cheaper

Llama 4 Scout is cheaper on both — 120× input, 360× output

Writing DNA

Style Comparison

Similarity

72%

GPT-5.4 Pro uses 8.4x more headings

GPT-5.4 Pro

Llama 4 Scout

50%Vocabulary43%

35wSentence Length42w

0.70Hedging0.81

7.5Bold4.1

8.3Lists7.3

0.00Emoji0.00

2.52Headings0.30

0.01Transitions0.04

Based on 12 + 10 text responses

Research

What we learned reading every model

GPT-5.4 Pro 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

Llama 4 Scout vs MiniMax M3New provider

GPT-5.4 Pro vs Llama 4 MaverickCross-provider

Llama 4 Scout vs Claude Opus 4New provider