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

Claude Sonnet 4 is developed by Anthropic while Llama 4 Scout is developed by Meta AI. Claude Sonnet 4 has a 200K token context window vs Llama 4 Scout's 10.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

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

It depends on your use case. Claude Sonnet 4 and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

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

Claude Sonnet 4 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 and Llama 4 Scout on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 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 May 2025

Claude Sonnet 4vsLlama 4 Scout

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

Claude Sonnet 4 and Llama 4 Scout compared across 53 shared prompts
Spec	Claude Sonnet 4	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
Parameters	Not disclosed	17B active (109B total)
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	May 2025	Apr 2025
SWE-bench Verified	72.7%	54.6%