Model Comparison
Fable 5.1 vs Minicpm5 2b
Fable 5.1 ranks #4 on the AI IQ leaderboard with an estimated IQ of 138, while Minicpm5 2b ranks #126 on the AI IQ leaderboard with an estimated IQ of 98. 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 | Minicpm5 2bChina (Other) | |
|---|---|---|
| Rank | #4 | #126 |
| IQ | 138 | 98 |
| Abstract Reasoning | 124 | 87 |
| Mathematical Reasoning | 149 | 89 |
| Academic Reasoning | 137 | 104 |
| Programmatic Reasoning | 147 | 101 |
| Computer Use | 142 | 94 |
| Reliability | 136 | 108 |
| Knowledge Work | 133 | 103 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | $89.32 | — |
| Sticker Price / 1M I/O Tokens | $60.00 | — |
| Speed | 61 tok/s | — |
| Context Window | 1M | 131K |
| Released | 2026-09-01 | 2026-09-07 |
| Open Weights | No | Yes |
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