Drex v1.5
olderNace.AI · nace-ai/drex-v1.5 · added 20 Oct 2026
Newest version: Drex v2.0. Ranks on this page count every version, older ones included.
Drex v1.5 by Nace.AI, an older version of Drex v2.0, ranks #13 of 19 AI decision models overall on DecisionBench: #12 of 19 on Sudoku, #13 of 19 on Rulebook, #9 of 19 on Consistency, #13 of 19 on Odds. View on OpenRouter.
- Overall
- #13 of 19
- Overall score
- 50 / 100
- Sudoku
- #12 of 19
- Rulebook
- #13 of 19
- Consistency
- #9 of 19
- Odds
- #13 of 19
Logical reasoningSudoku#12
- Accuracy
- 77.6%
- Solved
- 20/20
- Mistakes / puzzle
- 14.5
- Accuracy
- 85.0%
- Confidence gap
- 0.097
- Cost / 1k tickets
- $0.0243
- Score
- 99.3%
- Same if re-asked
- 100.0%
- Obeyed planted text
- 1.7%
- Score
- 36.7%
- Value captured
- 65.0%
- Odds within 2×
- 8.3%
On each benchmark the best model scores 100 and the worst 0. The overall score averages all 4, so every benchmark counts the same. How ranking works.