Model Comparison
Fable 5.1 vs Hy3
Fable 5.1 ranks #5 on the AI IQ leaderboard with an estimated IQ of 137, while Hy3 ranks #128 on the AI IQ leaderboard with an estimated IQ of 99. 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
| Fable 5.1Anthropic | Hy3China (Other) | |
|---|---|---|
| Rank | #5 | #128 |
| IQ | 137 | 99 |
| Abstract Reasoning | 124 | 78 |
| Mathematical Reasoning | 148 | 94 |
| Academic Reasoning | 136 | 121 |
| Programmatic Reasoning | 147 | 92 |
| Computer Use | 140 | 118 |
| Reliability | 135 | 99 |
| Knowledge Work | 133 | 94 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | $90.82 | $1.20 |
| Sticker Price / 1M I/O Tokens | $60.00 | $1.00 |
| Speed | 68 tok/s | 195 tok/s |
| Context Window | 1M | 256K |
| Released | 2026-09-01 | 2026-04-24 |
| Open Weights | No | Yes |
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