Model Comparison
Kimi K3.1 Pro vs Mercury 2.5
Kimi K3.1 Pro ranks #14 on the AI IQ leaderboard with an estimated IQ of 132, while Mercury 2.5 ranks #126 on the AI IQ leaderboard with an estimated IQ of 100. 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
| Kimi K3.1 ProKimi | Mercury 2.5US (Other) | |
|---|---|---|
| Rank | #14 | #126 |
| IQ | 132 | 100 |
| Abstract Reasoning | 110 | 91 |
| Mathematical Reasoning | 140 | 96 |
| Academic Reasoning | 135 | 107 |
| Programmatic Reasoning | 145 | 99 |
| Computer Use | 132 | 95 |
| Reliability | 128 | 110 |
| Knowledge Work | 133 | 99 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | — | $0.43 |
| Sticker Price / 1M I/O Tokens | — | $0.95 |
| Speed | 43 tok/s | 739 tok/s |
| Context Window | 1.0M | 260K |
| Released | 2026-10-23 | 2026-09-08 |
| Open Weights | No | No |
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