Maternity Case Record Digitisation - Free-Text CER: leaderboard
Metric: Character error rate on the free-text fields (from 0 upward, times 100; can exceed 100), on the 49 real redacted Maternity Case Records of the UBOMI BUHLE Pregnancy Exposure Registry (South Africa), one form image per call with the optimised extraction prompt and JSON template, temperature 0, two attempts at valid JSON; lower is better. Source: arxiv.org. Saturation forecast: Around October 2027. 9 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemini 3.1 Pro (Preview) | 31 |
| 2 | Claude Sonnet 4.6 | 37 |
| 3 | Gemini 2.5 Pro | 40 |
| 4 | Gemini 3.1 Flash Lite | 40 |
| 5 | GPT-5.4 | 43 |
| 6 | Gemini 2.5 Flash | 45 |
| 7 | Claude Opus 4.6 | 54 |
| 8 | GPT-5 Mini | 64 |
| 9 | Claude Haiku 4.5 | 69 |
Interactive version: theaggregate.ai/benchmark?slug=maternity-case-record-digitisation-free-text-cer · How It Works · Data refreshed daily, snapshot 2026-10-07.