Model Comparison

Kimi K3.1 Pro vs Opus 4

Kimi K3.1 Pro ranks #14 on the AI IQ leaderboard with an estimated IQ of 132, while Opus 4 ranks #149 on the AI IQ leaderboard with an estimated IQ of 95. 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
Kimi K3.1 ProKimiOpus 4Anthropic
Rank#14#149
IQ13295
Abstract Reasoning11077
Mathematical Reasoning14093
Academic Reasoning135112
Programmatic Reasoning145109
Computer Use13275
Reliability128109
Knowledge Work13390
Emotional Reasoning——
Effective Cost / 1M Tokens—$51.65
Sticker Price / 1M I/O Tokens—$90.00
Speed43 tok/s—
Context Window1.0M—
Released2026-10-232025-05-22
Open WeightsNoNo