Claude Opus 5.5vsMiniMax M2

Claude Opus 5.5 is developed by Anthropic while MiniMax M2 is developed by MiniMax. Claude Opus 5.5 has a 1.0M token context window vs MiniMax M2's 205K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

It depends on your use case. Claude Opus 5.5 and MiniMax M2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

Claude Opus 5.5 costs $4/M input tokens and MiniMax M2 costs $0/M input tokens. MiniMax M2 is $4.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Claude Opus 5.5 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.