Model Comparison
Fable 5.1 vs Mistral Large 4
Fable 5.1 ranks #4 on the AI IQ leaderboard with an estimated IQ of 138, while Mistral Large 4 ranks #45 on the AI IQ leaderboard with an estimated IQ of 118. 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 | Mistral Large 4World (Other) | |
|---|---|---|
| Rank | #4 | #45 |
| IQ | 138 | 118 |
| Abstract Reasoning | 124 | 100 |
| Mathematical Reasoning | 149 | 114 |
| Academic Reasoning | 137 | 129 |
| Programmatic Reasoning | 147 | 133 |
| Computer Use | 142 | 110 |
| Reliability | 136 | 117 |
| Knowledge Work | 133 | 127 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | $88.21 | $8.77 |
| Sticker Price / 1M I/O Tokens | $60.00 | $5.54 |
| Speed | 65 tok/s | 116 tok/s |
| Context Window | 1M | 1M |
| Released | 2026-09-01 | 2026-10-06 |
| Open Weights | No | No |
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