What is the difference between Claude Opus 4 and MiniMax M2?

Claude Opus 4 is developed by Anthropic while MiniMax M2 is developed by MiniMax. Claude Opus 4 has a 200K token context window vs MiniMax M2's 205K. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or MiniMax M2?

It depends on your use case. Claude Opus 4 and MiniMax M2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to MiniMax M2?

Claude Opus 4 costs $15/M input tokens and MiniMax M2 costs $0/M input tokens. MiniMax M2 is $15.00/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 and MiniMax M2 on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and MiniMax M2 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 Oct 2025

Claude Opus 4vsMiniMax M2

MiniMax M2 is cheaper than Claude Opus 4 at $0/M vs $15/M input tokens.

Claude Opus 4 and MiniMax M2 compared across 34 shared prompts
Spec	Claude Opus 4	MiniMax M2
Input price	$15/M tokens	Free
Output price	$75/M tokens	Free
Context window	200K tokens	205K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	May 2025	Oct 2025
SWE-bench Verified	72.5%	69.4%