Model Comparison
GPT 5 Nano vs GPT 5.4 Nano
GPT 5 Nano ranks #146 on the AI IQ leaderboard with an estimated IQ of 95, while GPT 5.4 Nano ranks #95 on the AI IQ leaderboard with an estimated IQ of 106. 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
| GPT 5 NanoOpenAI | GPT 5.4 NanoOpenAI | |
|---|---|---|
| Rank | #146 | #95 |
| IQ | 95 | 106 |
| Abstract Reasoning | 83 | 85 |
| Mathematical Reasoning | 103 | 113 |
| Academic Reasoning | 106 | 120 |
| Programmatic Reasoning | 109 | 110 |
| Computer Use | 75 | 103 |
| Reliability | 98 | 102 |
| Knowledge Work | 90 | 109 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | $0.27 | $1.63 |
| Sticker Price / 1M I/O Tokens | $0.45 | $1.45 |
| Speed | 160 tok/s | 165 tok/s |
| Context Window | — | 400K |
| Released | 2025-08-07 | 2026-03-17 |
| Open Weights | No | No |
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