Model Comparison
Glm 5.3 vs GPT Oss 20b
Glm 5.3 ranks #28 on the AI IQ leaderboard with an estimated IQ of 124, while GPT Oss 20b ranks #149 on the AI IQ leaderboard with an estimated IQ of 93. 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
| Glm 5.3Z.ai | GPT Oss 20bOpenAI | |
|---|---|---|
| Rank | #28 | #149 |
| IQ | 124 | 93 |
| Abstract Reasoning | 98 | 74 |
| Mathematical Reasoning | 129 | 107 |
| Academic Reasoning | 131 | 100 |
| Programmatic Reasoning | 141 | 115 |
| Computer Use | 127 | 70 |
| Reliability | 121 | 91 |
| Knowledge Work | 123 | 92 |
| Emotional Reasoning | — | 93 |
| Effective Cost / 1M Tokens | $13.19 | $0.24 |
| Sticker Price / 1M I/O Tokens | $5.80 | $0.28 |
| Speed | 95 tok/s | 299 tok/s |
| Context Window | 1M | 131K |
| Released | 2026-08-18 | 2025-08-05 |
| Open Weights | Yes | Yes |
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