Model Comparison

Gemma 4 31b vs Opus 5.5

Gemma 4 31b ranks #120 on the AI IQ leaderboard with an estimated IQ of 101, 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
Gemma 4 31bGoogleOpus 5.5Anthropic
Rank#120#2
IQ101141
Abstract Reasoning86132
Mathematical Reasoning94149
Academic Reasoning117138
Programmatic Reasoning97154
Computer Use101148
Reliability108133
Knowledge Work103134
Emotional Reasoning105—
Effective Cost / 1M Tokens$0.14$35.73
Sticker Price / 1M I/O Tokens$0.47$24.00
Speed35 tok/s98 tok/s
Context Window256K1M
Released2026-04-022026-09-22
Open WeightsYesNo