EU Redaction Benchmark
How well do language models redact personal data in freedom-of-information documents, and what does it cost?
Preview: results on the tuning split. This is not a ranking; no frontier is claimed.
- Bare model
- System
- Free rules floor
- 95% CI of F2
Each point is the latest scored run for that entry, pooled over all documents; it is not an average of runs. Hover or focus a point, or a table row, for its run date and details.
| Name | F2 | Recall | Over-redaction | Output precision | EUR per 1,000 pages | Run date |
|---|---|---|---|---|---|---|
| OpenDisclosure Redaction SystemMaintainer | 74.3% | 72.8% | 19.1% | 66.1% | EUR 0.51 | 2026-10-14 |
| OpenDisclosure Redaction SystemMaintainer | 73.6% | 71.8% | 18.2% | 64.7% | EUR 0.51 | 2026-10-14 |
| Mistral Small 2603 Bare model | 73.5% | 73.6% | 26.7% | 58.3% | EUR 0.50 | 2026-10-14 |
| Rules only FloorMaintainer | 16.5% | 13.7% | 4.4% | 64.9% | EUR 0.00 | 2026-10-14 |
| Rules only FloorMaintainer | 16.3% | 13.5% | 4.1% | 64.4% | EUR 0.00 | 2026-10-14 |