d1 Ultra
Liquid · liquid/d1-ultra · added 20 Oct 2026
d1 Ultra by Liquid ranks #1 of 12 AI decision models on the DecisionBench Sudoku benchmark (logical reasoning), with accuracy 84.0%. View on OpenRouter.
- Sudoku rank
- #1 of 12
- Accuracy
- 84.0%
- Solved
- 20/20
- Mistakes / puzzle
- 9.6
- Solve time / puzzle
- 10s
- Cost / puzzle
- $0.002697
By difficulty
| Difficulty | Rank | Accuracy | Solved | Mistakes | Solve time | Cost |
|---|---|---|---|---|---|---|
| Easy | #3 | 90.3% | 5/5 | 4.4 | 6.0s | $0.001642 |
| Medium | #3 | 84.5% | 5/5 | 9.0 | 9.1s | $0.002517 |
| Hard | #2 | 82.8% | 5/5 | 11.2 | 9.3s | $0.003051 |
| Expert | #1 | 80.8% | 5/5 | 13.6 | 17s | $0.003579 |
Every race
| Puzzle | Mistakes | Calls | Solve time | Cost | Status |
|---|---|---|---|---|---|
| easy-01 | 5 | 17 | 7.4s | $0.001603 | Solved |
| easy-02 | 5 | 17 | 5.9s | $0.001671 | Solved |
| easy-03 | 4 | 16 | 5.1s | $0.001605 | Solved |
| easy-04 | 5 | 18 | 6.3s | $0.001786 | Solved |
| easy-05 | 3 | 16 | 5.3s | $0.001543 | Solved |
| medium-01 | 6 | 20 | 6.7s | $0.002170 | Solved |
| medium-02 | 12 | 24 | 9.4s | $0.002630 | Solved |
| medium-03 | 12 | 24 | 12s | $0.002601 | Solved |
| medium-04 | 6 | 21 | 7.7s | $0.002366 | Solved |
| medium-05 | 9 | 25 | 9.9s | $0.002816 | Solved |
| hard-01 | 13 | 29 | 12s | $0.003553 | Solved |
| hard-02 | 12 | 27 | 9.6s | $0.003179 | Solved |
| hard-03 | 5 | 22 | 7.3s | $0.002449 | Solved |
| hard-04 | 12 | 25 | 8.9s | $0.002943 | Solved |
| hard-05 | 14 | 26 | 8.7s | $0.003134 | Solved |
| expert-01 | 10 | 26 | 21s | $0.003166 | Solved |
| expert-02 | 18 | 33 | 29s | $0.004127 | Solved |
| expert-03 | 12 | 27 | 12s | $0.003232 | Solved |
| expert-04 | 16 | 31 | 14s | $0.004007 | Solved |
| expert-05 | 12 | 27 | 11s | $0.003360 | Solved |