Model Comparison

Gemini 3.1 Flash Lite vs Opus 5.5

Gemini 3.1 Flash Lite ranks #102 on the AI IQ leaderboard with an estimated IQ of 104, 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
Gemini 3.1 Flash LiteGoogleOpus 5.5Anthropic
Rank#102#2
IQ104141
Abstract Reasoning93132
Mathematical Reasoning105149
Academic Reasoning116138
Programmatic Reasoning92154
Computer Use108148
Reliability112133
Knowledge Work101134
Emotional Reasoning——
Effective Cost / 1M Tokens$0.43$35.73
Sticker Price / 1M I/O Tokens$1.75$24.00
Speed366 tok/s98 tok/s
Context Window1M1M
Released2026-03-032026-09-22
Open WeightsNoNo