Model Comparison
Fable 5 vs Qwen3.8 Max
Fable 5 ranks #1 on the AI IQ leaderboard with an estimated IQ of 137, while Qwen3.8 Max ranks #28 on the AI IQ leaderboard with an estimated IQ of 119. The table below puts the two models side by side across the six reasoning 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 5Anthropic | Qwen3.8 MaxAlibaba | |
|---|---|---|
| Rank | #1 | #28 |
| IQ | 137 | 119 |
| Abstract Reasoning | 129 | 93 |
| Mathematical Reasoning | 143 | 127 |
| Academic Reasoning | 145 | 136 |
| Programmatic Reasoning | 144 | 120 |
| Computer Use | 139 | 119 |
| Reliability | 120 | 116 |
| Emotional Reasoning | 125 | — |
| Effective Cost / 1M Tokens | $76.55 | $15.01 |
| Sticker Price / 1M I/O Tokens | $60.00 | $8.00 |
| Speed | 71 tok/s | — |
| Context Window | 1M | 1M |
| Released | 2026-06-09 | 2026-08-03 |
| Open Weights | No | No |
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