GPT-6 Luna
Openai · released 2026-09-22 · route gpt-6-luna · Model profile · Chess results
Results
- Score
- 095%: 0 to 9
- Grids solved
- 0 of 42
- Blank cells filled correctly
- 8.6%
- Wrong cells / empty cells / changed a given / no grid
- 3 / 5 / 20 / 14
- Broke the rules (complete grid repeating a digit)
- 3
- Near misses (three cells or fewer wrong)
- 0
- Average stated confidence
- 8%
- Average confidence when it had not solved it
- 8%
- Sure but wrong (90% or more, unsolved)
- 3
- Calibration (Brier, lower is better)
- 0.075
- API-equivalent cost per grid
- $0.0024
- API-equivalent cost per solved grid
- n/a
- Seconds per grid
- 24
- Tokens per grid (in / out)
- 56,078 / 1,779
- Reasoning tokens per grid
- 1,234
- Retries for an unreadable reply
- 24
- Aborted on our side (not counted)
- 0
By tier
| Tier | Needs | Solved | Output tokens | Seconds |
|---|---|---|---|---|
| Cozy | Singles only | 0 of 6 | 1,826 | 23 |
| Gentle | Scanning | 0 of 6 | 1,485 | 20 |
| Steady | Locked candidates | 0 of 6 | 1,971 | 27 |
| Tricky | Hidden pairs and triples | 0 of 6 | 1,748 | 24 |
| Devious | Wings and fish | 0 of 6 | 1,836 | 24 |
| Expert | Deep wings and fish | 0 of 6 | 2,203 | 30 |
| Beyond | No human technique finishes it | 0 of 6 | 1,381 | 22 |
Cells by the technique they needed
Each blank cell is tagged with the simplest technique that fills it, given everything a solver could fill before it.
| Technique | Cells | Filled correctly |
|---|---|---|
| Last free cell | 331 | 17.5% |
| Scanning | 498 | 12.8% |
| Locked candidates | 104 | 17.3% |
| Hidden pairs and triples | 156 | 5.1% |
| Wings and fish | 135 | 14.1% |
| Deep wings and fish | 54 | 0.0% |
| Search | 199 | 12.1% |
Every answer
Cozy #1Left cells empty 0 of 50 cells0% sure · 1,615 tokens · $0.0023Cozy #2Left cells empty 0 of 48 cells0% sure · 2,854 tokens · $0.0029Cozy #3Changed a given digit 11 of 49 cells100% sure · 53 tokens · $0.0009Cozy #4Changed a given digit 16 of 50 cells0% sure · 2,920 tokens · $0.0027Cozy #5No readable grid 0 of 49 cells0% sure · 1,932 tokens · $0.0036Cozy #6Changed a given digit 12 of 39 cells0% sure · 1,583 tokens · $0.0012Gentle #1Changed a given digit 12 of 56 cells0% sure · 1,270 tokens · $0.0020Gentle #2Changed a given digit 15 of 51 cells0% sure · 1,205 tokens · $0.0014Gentle #3Changed a given digit 7 of 52 cells100% sure · 53 tokens · $0.0002Gentle #4Left cells empty 0 of 51 cells0% sure · 1,480 tokens · $0.0018Gentle #5Wrong cells 5 of 56 cells0% sure · 2,558 tokens · $0.0026Gentle #6No readable grid 0 of 52 cells2,344 tokens · $0.0033Steady #1Changed a given digit 0 of 53 cells0% sure · 2,356 tokens · $0.0036Steady #2No readable grid 0 of 53 cells0% sure · 2,072 tokens · $0.0028Steady #3Changed a given digit 15 of 49 cells0% sure · 905 tokens · $0.0022Steady #4No readable grid 0 of 54 cells0% sure · 2,445 tokens · $0.0036Steady #5No readable grid 0 of 53 cells2,571 tokens · $0.0028Steady #6No readable grid 0 of 54 cells0% sure · 1,476 tokens · $0.0024Tricky #1Changed a given digit 0 of 55 cells0% sure · 1,120 tokens · $0.0019Tricky #2No readable grid 0 of 57 cells0% sure · 2,107 tokens · $0.0041Tricky #3Changed a given digit 10 of 57 cells0% sure · 1,312 tokens · $0.0014Tricky #4Changed a given digit 0 of 54 cells0% sure · 1,142 tokens · $0.0024Tricky #5Changed a given digit 11 of 55 cells0% sure · 2,857 tokens · $0.0040Tricky #6No readable grid 0 of 56 cells0% sure · 1,950 tokens · $0.0027Devious #1Changed a given digit 0 of 55 cells0% sure · 1,848 tokens · $0.0029Devious #2Changed a given digit 0 of 55 cells0% sure · 1,485 tokens · $0.0024Devious #3No readable grid 0 of 49 cells0% sure · 3,058 tokens · $0.0030Devious #4Wrong cells 24 of 40 cells0% sure · 1,216 tokens · $0.0012Devious #5Wrong cells 15 of 47 cells0% sure · 1,801 tokens · $0.0018Devious #6Changed a given digit 0 of 54 cells0% sure · 1,610 tokens · $0.0018Expert #1No readable grid 0 of 58 cells0% sure · 3,434 tokens · $0.0051Expert #2No readable grid 0 of 53 cells0% sure · 2,533 tokens · $0.0041Expert #3Left cells empty 0 of 54 cells0% sure · 1,588 tokens · $0.0016Expert #4No readable grid 0 of 57 cells0% sure · 1,689 tokens · $0.0020Expert #5Left cells empty 0 of 58 cells0% sure · 1,405 tokens · $0.0016Expert #6No readable grid 0 of 54 cells0% sure · 2,569 tokens · $0.0029Beyond #1Changed a given digit 14 of 60 cells0% sure · 2,184 tokens · $0.0024Beyond #2Changed a given digit 5 of 57 cells0% sure · 1,715 tokens · $0.0036Beyond #3Changed a given digit 0 of 56 cells0% sure · 1,068 tokens · $0.0012Beyond #4Changed a given digit 12 of 57 cells100% sure · 53 tokens · $0.0002Beyond #5Changed a given digit 7 of 59 cells0% sure · 1,367 tokens · $0.0016Beyond #6No readable grid 0 of 57 cells0% sure · 1,901 tokens · $0.0035