Model Comparison
Kimi K3 vs Mercury 2
Kimi K3 ranks #21 on the AI IQ leaderboard with an estimated IQ of 127, while Mercury 2 ranks #150 on the AI IQ leaderboard with an estimated IQ of 93. 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 K3Kimi | Mercury 2US (Other) | |
|---|---|---|
| Rank | #21 | #150 |
| IQ | 127 | 93 |
| Abstract Reasoning | 106 | 77 |
| Mathematical Reasoning | 135 | 87 |
| Academic Reasoning | 132 | 111 |
| Programmatic Reasoning | 135 | 100 |
| Computer Use | 130 | 76 |
| Reliability | 121 | 103 |
| Knowledge Work | 127 | 98 |
| Emotional Reasoning | 133 | — |
| Effective Cost / 1M Tokens | $20.17 | $0.63 |
| Sticker Price / 1M I/O Tokens | $18.00 | $1.00 |
| Speed | 42 tok/s | 488 tok/s |
| Context Window | 1.0M | 128K |
| Released | 2026-07-16 | 2026-02-24 |
| Open Weights | Yes | No |
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