What is the difference between Claude Opus 5 and MiniMax M3?

Claude Opus 5 is developed by Anthropic while MiniMax M3 is developed by MiniMax. Claude Opus 5 has a 1.0M token context window vs MiniMax M3's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or MiniMax M3?

It depends on your use case. Claude Opus 5 and MiniMax M3 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 5 cost compared to MiniMax M3?

Claude Opus 5 costs $5/M input tokens and MiniMax M3 costs $0.3/M input tokens. MiniMax M3 is $4.70/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 5 and MiniMax M3 on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and MiniMax M3 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 Jul 2026

Claude Opus 5vsMiniMax M3

MiniMax M3 is cheaper than Claude Opus 5 at $0.3/M vs $5/M input tokens.

Claude Opus 5 and MiniMax M3 compared across 53 shared prompts
Spec	Claude Opus 5	MiniMax M3
Input price	$5/M tokens	$0.3/M tokens
Output price	$25/M tokens	$1.2/M tokens
Context window	1.0M tokens	1.0M tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Jul 2026	Jun 2026