What is the difference between Claude Sonnet 4.5 and Llama 4 Scout?

Claude Sonnet 4.5 is developed by Anthropic while Llama 4 Scout is developed by Meta AI. Claude Sonnet 4.5 has a 200K token context window vs Llama 4 Scout's 10.0M. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or Llama 4 Scout?

It depends on your use case. Claude Sonnet 4.5 and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to Llama 4 Scout?

Claude Sonnet 4.5 costs $3/M input tokens and Llama 4 Scout costs $0.25/M input tokens. Llama 4 Scout is $2.75/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 Claude Sonnet 4.5 and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 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 Claude Sonnet 4.5 and Llama 4 Scout?

Claude Sonnet 4.5 is developed by Anthropic while Llama 4 Scout is developed by Meta AI. Claude Sonnet 4.5 has a 200K token context window vs Llama 4 Scout's 10.0M. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or Llama 4 Scout?

It depends on your use case. Claude Sonnet 4.5 and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to Llama 4 Scout?

Claude Sonnet 4.5 costs $3/M input tokens and Llama 4 Scout costs $0.25/M input tokens. Llama 4 Scout is $2.75/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 Claude Sonnet 4.5 and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 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.

Updated Sep 2025

Claude Sonnet 4.5vsLlama 4 Scout

Llama 4 Scout is cheaper than Claude Sonnet 4.5 at $0.25/M vs $3/M input tokens.

Claude Sonnet 4.5 and Llama 4 Scout compared across 42 shared prompts
Spec	Claude Sonnet 4.5	Llama 4 Scout
Input price	$3/M tokens	$0.25/M tokens
Output price	$15/M tokens	$0.5/M tokens
Context window	200K tokens	10.0M tokens
Released	Sep 2025	Apr 2025
SWE-bench Verified	77.2%	54.6%

Our Verdict

Claude Sonnet 4.5

Llama 4 ScoutRunner-up

Not enough votes to call it. On the specs, Claude Sonnet 4.5 has the edge: bigger model tier, newer.

Llama 4 Scout costs 30x less per token.

Too close to call

What do Claude Sonnet 4.5 and Llama 4 Scout say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Sonnet 4.5

Input

$3.00

Output

$15.00

Llama 4 Scout

Input

$0.25

12× cheaper

Output

$0.50

30× cheaper

Llama 4 Scout is cheaper on both — 12× input, 30× output

Writing DNA

Style Comparison

Similarity

57%

Claude Sonnet 4.5 uses 45.2x more emoji

Claude Sonnet 4.5

Llama 4 Scout

64%Vocabulary43%

94wSentence Length42w

0.48Hedging0.81

4.9Bold4.1

8.0Lists7.3

0.45Emoji0.00

1.91Headings0.30

0.07Transitions0.04

Based on 20 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Sonnet 4.5 vs Ox AlphaNew provider

Claude Sonnet 4.5 vs MiniMax M3New provider

Claude Sonnet 4.5 vs GPT-5New provider

Llama 4 Scout vs MiniMax M2.7New provider

Claude Sonnet 4.5 vs PaLM 2 ChatNew provider

Claude Sonnet 4.5 vs Polaris AlphaNew provider

Llama 4 Scout vs Pony AlphaNew provider

Claude Sonnet 4.5 vs Quasar AlphaNew provider

Updated Sep 2025

Claude Sonnet 4.5vsLlama 4 Scout

Llama 4 Scout is cheaper than Claude Sonnet 4.5 at $0.25/M vs $3/M input tokens.

Claude Sonnet 4.5 and Llama 4 Scout compared across 42 shared prompts
Spec	Claude Sonnet 4.5	Llama 4 Scout
Input price	$3/M tokens	$0.25/M tokens
Output price	$15/M tokens	$0.5/M tokens
Context window	200K tokens	10.0M tokens
Released	Sep 2025	Apr 2025
SWE-bench Verified	77.2%	54.6%

Our Verdict

Claude Sonnet 4.5

Llama 4 ScoutRunner-up

Not enough votes to call it. On the specs, Claude Sonnet 4.5 has the edge: bigger model tier, newer.

Llama 4 Scout costs 30x less per token.

Too close to call

What do Claude Sonnet 4.5 and Llama 4 Scout say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Sonnet 4.5

Input

$3.00

Output

$15.00

Llama 4 Scout

Input

$0.25

12× cheaper

Output

$0.50

30× cheaper

Llama 4 Scout is cheaper on both — 12× input, 30× output

Writing DNA

Style Comparison

Similarity

57%

Claude Sonnet 4.5 uses 45.2x more emoji

Claude Sonnet 4.5

Llama 4 Scout

64%Vocabulary43%

94wSentence Length42w

0.48Hedging0.81

4.9Bold4.1

8.0Lists7.3

0.45Emoji0.00

1.91Headings0.30

0.07Transitions0.04

Based on 20 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Sonnet 4.5 vs Ox AlphaNew provider

Claude Sonnet 4.5 vs MiniMax M3New provider

Claude Sonnet 4.5 vs GPT-5New provider

Llama 4 Scout vs MiniMax M2.7New provider

Claude Sonnet 4.5 vs PaLM 2 ChatNew provider

Claude Sonnet 4.5 vs Polaris AlphaNew provider

Llama 4 Scout vs Pony AlphaNew provider

Claude Sonnet 4.5 vs Quasar AlphaNew provider