Model Comparison

Nemotron 3 Nano vs Opus 5.5

Nemotron 3 Nano ranks #143 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
Nemotron 3 NanoUS (Other)Opus 5.5Anthropic
Rank#143#2
IQ97141
Abstract Reasoning75132
Mathematical Reasoning112149
Academic Reasoning107138
Programmatic Reasoning102154
Computer Use87148
Reliability98133
Knowledge Work95134
Emotional Reasoning——
Effective Cost / 1M Tokens$0.16$35.73
Sticker Price / 1M I/O Tokens$0.25$24.00
Speed276 tok/s98 tok/s
Context Window1M1M
Released2025-12-152026-09-22
Open WeightsYesNo