What is the difference between Mistral Small 4 and Muse Spark 1.3 Contributor?

Mistral Small 4 is developed by Mistral AI while Muse Spark 1.3 Contributor is developed by Meta AI. Mistral Small 4 has a 262K token context window vs Muse Spark 1.3 Contributor's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Mistral Small 4 or Muse Spark 1.3 Contributor?

It depends on your use case. Mistral Small 4 and Muse Spark 1.3 Contributor 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 Mistral Small 4 cost compared to Muse Spark 1.3 Contributor?

Mistral Small 4 costs $0.15/M input tokens and Muse Spark 1.3 Contributor costs $0.1/M input tokens. Muse Spark 1.3 Contributor is $0.05/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 Mistral Small 4 and Muse Spark 1.3 Contributor on Rival?

This page shows a side-by-side comparison of Mistral Small 4 and Muse Spark 1.3 Contributor 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 2026

Mistral Small 4vsMuse Spark 1.3 Contributor

Muse Spark 1.3 Contributor is cheaper than Mistral Small 4 at $0.1/M vs $0.15/M input tokens.

Mistral Small 4 and Muse Spark 1.3 Contributor compared across 53 shared prompts
Spec	Mistral Small 4	Muse Spark 1.3 Contributor
Input price	$0.15/M tokens	$0.1/M tokens
Output price	$0.6/M tokens	$0.2/M tokens
Context window	262K tokens	1.0M tokens
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	Mar 2026	Sep 2026

Our Verdict

Muse Spark 1.3 Contributor

Mistral Small 4Runner-up

Not enough votes to call it. On the specs, Muse Spark 1.3 Contributor has the edge: bigger model tier, newer, bigger context window, major provider backing.

Slight edge

API pricing