Compare Claude Opus 4.1 by Anthropic against MiniMax M2 by MiniMax, in 6 community votes, claude opus 4.1 wins 67% of head-to-head duels, context windows of 200K vs 205K, tested across 34 shared challenges. Updated April 2026.
Claude Opus 4.1 is the better choice overall, winning 67% of 6 blind community votes on Rival. Claude Opus 4.1 costs $15/M input tokens vs $0/M for MiniMax M2. Context windows: 200K vs 205K tokens. Compare their real outputs side by side below.
Claude Opus 4.1 is made by anthropic while MiniMax M2 is from minimax. Claude Opus 4.1 has a 200K token context window compared to MiniMax M2's 205K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0/M for MiniMax M2. In community voting, In 6 community votes, Claude Opus 4.1 wins 67% of head-to-head duels.
In 6 community votes, Claude Opus 4.1 wins 67% of head-to-head duels. Claude Opus 4.1 leads in Web Design, while MiniMax M2 leads in Image Generation. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.
Pick Claude Opus 4.1. In 6 blind votes, Claude Opus 4.1 wins 67% of the time. That's not luck.
Pick Claude Opus 4.1 for Web Design. Pick MiniMax M2 for Image Generation.
Claude Opus 4.1 uses 6.2x more sentence length
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare Claude Opus 4.1 by Anthropic against MiniMax M2 by MiniMax, in 6 community votes, claude opus 4.1 wins 67% of head-to-head duels, context windows of 200K vs 205K, tested across 34 shared challenges. Updated April 2026.
Claude Opus 4.1 is the better choice overall, winning 67% of 6 blind community votes on Rival. Claude Opus 4.1 costs $15/M input tokens vs $0/M for MiniMax M2. Context windows: 200K vs 205K tokens. Compare their real outputs side by side below.
Claude Opus 4.1 is made by anthropic while MiniMax M2 is from minimax. Claude Opus 4.1 has a 200K token context window compared to MiniMax M2's 205K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0/M for MiniMax M2. In community voting, In 6 community votes, Claude Opus 4.1 wins 67% of head-to-head duels.
In 6 community votes, Claude Opus 4.1 wins 67% of head-to-head duels. Claude Opus 4.1 leads in Web Design, while MiniMax M2 leads in Image Generation. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.
Pick Claude Opus 4.1. In 6 blind votes, Claude Opus 4.1 wins 67% of the time. That's not luck.
Pick Claude Opus 4.1 for Web Design. Pick MiniMax M2 for Image Generation.
Claude Opus 4.1 uses 6.2x more sentence length
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

34 fights queued
22+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy
34 fights queued
22+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy