Qwen3.8 Flash-Next
Alibaba · open weights · released 2026-08-26 · route qwen3.8-flash-next · Model profile · Chess results · Sudoku results · Mines results · FreeCell results · Starjar results · Nations Royale results · Hustle Sim results · Elemental Armory results · Micro Mouse results
Results
- Score
- 1795%: 0 to 38 · 6 of 36 base puzzles so far
- Puzzles solved
- 1 of 6
- Cells that match the solution
- 7.7%
- Rows and columns whose clue it satisfies
- 15.6%
- Wrong cells / left cells unknown / no grid
- 1 / 0 / 4
- Near misses (three cells or fewer wrong)
- 1
- Average stated confidence
- 100%
- Average confidence when it had not solved it
- 100%
- Sure but wrong (90% or more, unsolved)
- 1
- Calibration (Brier, lower is better)
- 0.500
- API-equivalent cost per solved puzzle
- n/a
- Tokens per puzzle (in / out)
- 1,303 / 72,526
- Reasoning tokens per puzzle
- n/a
- Retries for an unreadable reply
- 5
- API-equivalent cost per puzzle
- n/a
- Seconds per puzzle
- 3,867.9
- Replies cut off at the length limit
- 0.0%
- Aborted on our side (not counted)
- 11
By tier
| Tier | Needs | Solved | Output tokens | Seconds |
|---|---|---|---|---|
| 5 by 5 | Line logic, a round or two | 1 of 1 | 1,503 | 151.5 |
| 10 by 10 | Line logic, about 3 rounds | 0 of 1 | 83,487 | 4,443.4 |
| 15 by 15 | Line logic, about 5 rounds | 0 of 1 | 78,848 | 4,095.0 |
| 20 by 20 | Line logic, about 8 rounds | 0 of 1 | 107,087 | 5,896.2 |
| 25 by 25 | Line logic, about 11 rounds | 0 of 1 | 80,840 | 4,270.9 |
| Beyond | Line logic stalls; needs contradiction or search | 0 of 1 | 83,391 | 4,350.2 |
Cells by the depth of logic they need
Each cell is tagged with the round of line logic that settles it. Beyond line logic means only contradiction or search does.
| Depth | Cells | Right |
|---|---|---|
| First pass | 403 | 16.6% |
| Rounds 2-3 | 613 | 7.5% |
| Rounds 4-7 | 332 | 3.0% |
| Round 8 on | 159 | 0.0% |
| Beyond line logic | 93 | 0.0% |
Every puzzle
5 by 5 #1Solved 25 of 25 cells100% sure · 1,503 tokens · local10 by 10 #1Wrong cells 98 of 100 cells100% sure · 83,487 tokens · local15 by 15 #1No readable grid 0 of 225 cells78,848 tokens · local20 by 20 #1No readable grid 0 of 400 cells107,087 tokens · local25 by 25 #1No readable grid 0 of 625 cells80,840 tokens · localBeyond #1No readable grid 0 of 225 cells83,391 tokens · local