Model Comparison

K Exaone vs Opus 5.5

K Exaone ranks #140 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
K ExaoneWorld (Other)Opus 5.5Anthropic
Rank#140#2
IQ97141
Abstract Reasoning77132
Mathematical Reasoning112149
Academic Reasoning112138
Programmatic Reasoning113154
Computer Use75148
Reliability103133
Knowledge Work91134
Emotional Reasoning——
Effective Cost / 1M Tokens$0.61$35.73
Sticker Price / 1M I/O Tokens$1.00$24.00
Speed—98 tok/s
Context Window256K1M
Released2025-12-312026-09-22
Open WeightsYesNo