What is the difference between Mercury and Mistral Small 4?

Mercury is developed by Inception while Mistral Small 4 is developed by Mistral AI. Mercury has a 32K token context window vs Mistral Small 4's 262K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Mercury or Mistral Small 4?

It depends on your use case. Mercury and Mistral Small 4 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 Mercury cost compared to Mistral Small 4?

Mercury costs $10/M input tokens and Mistral Small 4 costs $0.15/M input tokens. Mistral Small 4 is $9.85/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 Mercury and Mistral Small 4 on Rival?

This page shows a side-by-side comparison of Mercury and Mistral Small 4 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 Mar 2026

MercuryvsMistral Small 4

Mistral Small 4 is cheaper than Mercury at $0.15/M vs $10/M input tokens.

Mercury and Mistral Small 4 compared across 53 shared prompts
Spec	Mercury	Mistral Small 4
Input price	$10/M tokens	$0.15/M tokens
Output price	$10/M tokens	$0.6/M tokens
Context window	32K tokens	262K tokens
Weights	—	Open
Free API (OpenRouter)	No	No
Released	Jun 2025	Mar 2026