Question 1

What is the difference between Claude Opus 4.1 and MiniMax M1?

Accepted Answer

Claude Opus 4.1 is developed by Anthropic while MiniMax M1 is developed by MiniMax. Claude Opus 4.1 has a 200K token context window vs MiniMax M1's 1.0M. in 1 community votes on RIVAL, Claude Opus 4.1 wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 19 challenges.

Question 2

Which is better, Claude Opus 4.1 or MiniMax M1?

Accepted Answer

Based on 1 community votes on RIVAL, Claude Opus 4.1 wins 100% of head-to-head matchups against MiniMax M1.

Question 3

How much does Claude Opus 4.1 cost compared to MiniMax M1?

Accepted Answer

Claude Opus 4.1 costs $15/M input tokens and MiniMax M1 costs $0.3/M input tokens. MiniMax M1 is $14.70/M cheaper per input. The more expensive model wins 100% of duels, so the premium may be justified by quality.

Question 4

How are Claude Opus 4.1 vs MiniMax M1 votes collected on RIVAL?

Accepted Answer

RIVAL presents both models' outputs side-by-side in blind duels — voters see the responses but don't know which model produced each one. This eliminates brand bias. 1 votes have been collected for this pair across 19 challenges. All vote data is part of RIVAL's open dataset.