# Sudoku Solving on Sudoku Hard

Source: [Sudoku Solving on Sudoku Hard](<https://www.sota2.com/research/sota/sudoku-solving-on-sudoku-hard>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-05-26T10:39:03.075Z

Evaluation of model performance on solving hard difficulty Sudoku puzzles, measured by the percentage of instances solved successfully.

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Sudoku Solving |
| Dataset (including any stated split) | Sudoku Hard |
| Metric | Success Rate |
| Unit | PERCENT |
| Direction | Higher is better |
| Results loaded | 9 of 9 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [Success Rate](<https://www.sota2.com/research/sota/sudoku-solving-on-sudoku-hard.md?metric=Success%20Rate>): Higher is better; unit: PERCENT.

## Recorded results

| Method | Success Rate | Result date | Report paper |
| --- | --- | --- | --- |
| OR-Tools | 100 | Not recorded | 6a15295cdbd7150506f7e246 |
| BloGDiT | 94.1 | Not recorded | 6a15295cdbd7150506f7e246 |
| ConsFormer | 77.7 | Not recorded | 6a15295cdbd7150506f7e246 |
| IRED | 62.1 | Not recorded | 6a15295cdbd7150506f7e246 |
| DiT | 48.6 | Not recorded | 6a15295cdbd7150506f7e246 |
| Yang et al. | 32.9 | Not recorded | 6a15295cdbd7150506f7e246 |
| RRN | 28.6 | Not recorded | 6a15295cdbd7150506f7e246 |
| SATNet | 3.2 | Not recorded | 6a15295cdbd7150506f7e246 |
| RLSA | 1.8 | Not recorded | 6a15295cdbd7150506f7e246 |

### OR-Tools

Success Rate: 100. Result ID: 6a157795fbc373592c0d9406.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### BloGDiT

Success Rate: 94.1. Result ID: 6a157795fbc373592c0d940e.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### ConsFormer

Success Rate: 77.7. Result ID: 6a157795fbc373592c0d940c.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa793a1e209131cea7cbc0.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### IRED

Success Rate: 62.1. Result ID: 6a157795fbc373592c0d940a.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa73a51e209131cea5da69.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### DiT

Success Rate: 48.6. Result ID: 6a157795fbc373592c0d940d.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6ea91e209131cea41328.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### Yang et al.

Success Rate: 32.9. Result ID: 6a157795fbc373592c0d9409.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6ffe1e209131cea48660.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### RRN

Success Rate: 28.6. Result ID: 6a157795fbc373592c0d9408.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa651e1e209131cea0882a.md>)

[Implementation](<https://www.sota2.com/github.com/rasmusbergpalm/recurrent-relational-networks>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### SATNet

Success Rate: 3.2. Result ID: 6a157795fbc373592c0d9407.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa65da1e209131cea0ccdb.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### RLSA

Success Rate: 1.8. Result ID: 6a157795fbc373592c0d940b.

[Reporting paper](<https://www.sota2.com/research/paper/6a15295cdbd7150506f7e246.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa793a1e209131cea7cbb4.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

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