Model Comparison

Minimax M3.1 Flash vs Opus 5.5

Minimax M3.1 Flash ranks #32 on the AI IQ leaderboard with an estimated IQ of 123, while Opus 5.5 ranks #2 on the AI IQ leaderboard with an estimated IQ of 141. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Where They Sit on the IQ Bell Curve
Both models highlighted on the standard normal IQ distribution of every tracked model
IQ Dimensions Head to Head
The seven scored Composite IQ dimensions, side by side
Domains Head to Head
Applied domain composite scores where at least one model is measured
Minimax M3.1 FlashMiniMaxOpus 5.5Anthropic
Rank#32#2
IQ123141
Abstract Reasoning102132
Mathematical Reasoning120149
Academic Reasoning131138
Programmatic Reasoning136154
Computer Use121148
Reliability121133
Knowledge Work128134
Emotional Reasoning——
Effective Cost / 1M Tokens$1.40$35.41
Sticker Price / 1M I/O Tokens$0.75$24.00
Speed96 tok/s96 tok/s
Context Window1M1M
Released2026-10-192026-09-22
Open WeightsNoNo