What is the difference between Claude Opus 4.1 and Mistral Nemo?

Claude Opus 4.1 is developed by Anthropic while Mistral Nemo is developed by Mistral AI. Claude Opus 4.1 has a 200K token context window vs Mistral Nemo's 128K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.1 or Mistral Nemo?

It depends on your use case. Claude Opus 4.1 and Mistral Nemo 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 Opus 4.1 cost compared to Mistral Nemo?

Claude Opus 4.1 costs $15/M input tokens and Mistral Nemo costs $0.03/M input tokens. Mistral Nemo is $14.97/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 Opus 4.1 and Mistral Nemo on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 and Mistral Nemo 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 Aug 2025

Claude Opus 4.1vsMistral Nemo

Mistral Nemo is cheaper than Claude Opus 4.1 at $0.03/M vs $15/M input tokens.

Claude Opus 4.1 and Mistral Nemo compared across 53 shared prompts
Spec	Claude Opus 4.1	Mistral Nemo
Input price	$15/M tokens	$0.03/M tokens
Output price	$75/M tokens	$0.07/M tokens
Context window	200K tokens	128K tokens
Parameters	Not disclosed	12B
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Aug 2025	Jul 2024