Model Comparison
Fable 5 vs Muse Spark 1.2
Fable 5 ranks #1 on the AI IQ leaderboard with an estimated IQ of 137, while Muse Spark 1.2 ranks #22 on the AI IQ leaderboard with an estimated IQ of 120. 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 | Muse Spark 1.2Meta | |
|---|---|---|
| Rank | #1 | #22 |
| IQ | 137 | 120 |
| Abstract Reasoning | 129 | 99 |
| Mathematical Reasoning | 143 | 123 |
| Academic Reasoning | 145 | 140 |
| Programmatic Reasoning | 144 | 114 |
| Computer Use | 139 | 124 |
| Reliability | 120 | 120 |
| Emotional Reasoning | 125 | — |
| Effective Cost / 1M Tokens | $76.55 | $4.19 |
| Sticker Price / 1M I/O Tokens | $60.00 | $5.50 |
| Speed | 71 tok/s | — |
| Context Window | 1M | 1M |
| Released | 2026-06-09 | 2026-08-05 |
| Open Weights | No | No |
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