Model Comparison

Command A Plus vs Opus 5.5

Command A Plus ranks #139 on the AI IQ leaderboard with an estimated IQ of 97, 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
Command A PlusWorld (Other)Opus 5.5Anthropic
Rank#139#2
IQ97141
Abstract Reasoning82132
Mathematical Reasoning87149
Academic Reasoning108138
Programmatic Reasoning104154
Computer Use94148
Reliability110133
Knowledge Work97134
Emotional Reasoning——
Effective Cost / 1M Tokens—$35.73
Sticker Price / 1M I/O Tokens$0.00$24.00
Speed152 tok/s98 tok/s
Context Window192K1M
Released2026-05-202026-09-22
Open WeightsYesNo