Drex Max
Nace.AI · nace-ai/drex-max · added 22 Oct 2026
Drex Max by Nace.AI ranks #11 of 18 AI decision models on the DecisionBench Sudoku benchmark (logical reasoning), with accuracy 78.9%. View on OpenRouter.
- Sudoku rank
- #11 of 18
- Accuracy
- 78.9%
- Solved
- 20/20
- Mistakes / puzzle
- 13.4
- Solve time / puzzle
- 18s
- Cost / puzzle
- $0.009446
By difficulty
| Difficulty | Rank | Accuracy | Solved | Mistakes | Solve time | Cost |
|---|---|---|---|---|---|---|
| Easy | #13 | 87.6% | 5/5 | 5.8 | 12s | $0.005030 |
| Medium | #13 | 79.8% | 5/5 | 12.4 | 18s | $0.009066 |
| Hard | #5 | 79.9% | 5/5 | 13.6 | 19s | $0.0101 |
| Expert | #14 | 72.2% | 5/5 | 22.0 | 23s | $0.0136 |
Every race
| Puzzle | Mistakes | Calls | Solve time | Cost | Status |
|---|---|---|---|---|---|
| easy-01 | 3 | 15 | 11s | $0.004167 | Solved |
| easy-02 | 9 | 19 | 16s | $0.005879 | Solved |
| easy-03 | 5 | 17 | 11s | $0.004781 | Solved |
| easy-04 | 8 | 19 | 11s | $0.005642 | Solved |
| easy-05 | 4 | 16 | 9.6s | $0.004681 | Solved |
| medium-01 | 10 | 25 | 16s | $0.008419 | Solved |
| medium-02 | 15 | 28 | 20s | $0.009701 | Solved |
| medium-03 | 10 | 24 | 16s | $0.007980 | Solved |
| medium-04 | 16 | 30 | 19s | $0.0104 | Solved |
| medium-05 | 11 | 25 | 17s | $0.008807 | Solved |
| hard-01 | 16 | 30 | 20s | $0.0108 | Solved |
| hard-02 | 15 | 28 | 20s | $0.0101 | Solved |
| hard-03 | 14 | 30 | 21s | $0.0106 | Solved |
| hard-04 | 11 | 25 | 17s | $0.008555 | Solved |
| hard-05 | 12 | 28 | 20s | $0.0104 | Solved |
| expert-01 | 24 | 38 | 27s | $0.0152 | Solved |
| expert-02 | 32 | 42 | 30s | $0.0174 | Solved |
| expert-03 | 18 | 30 | 19s | $0.0110 | Solved |
| expert-04 | 18 | 32 | 22s | $0.0127 | Solved |
| expert-05 | 18 | 32 | 19s | $0.0117 | Solved |