Look-alike characters
Three versions of one part-code sheet. O, 0, l and I all matter.
| Model | Mean score / 100 |
|---|---|
| Claude Opus 5.5 | 79.2 |
| GPT-6.1 Sol | 37.5 |
| Claude Sonnet 5.5 | 50.0 |
| Gemini 3.8 Flash | 8.3 |
| Gemini 4 Argon | 39.6 |
| Chandra OCR 2 4-bit | 0.0 |
| Mistral OCR | 0.0 |
| GPT-6 Luna | 2.1 |
| LightOnOCR 3 1B | 14.6 |
| OCRia-1 | 0.0 |
| dots.ocr 4-bit | 20.8 |
| Nemotron 3.5 Parse | 25.0 |
| Indra | 6.2 |
| Granite-Docling | 4.2 |
| PaddleOCR-VL 1.6 | 0.0 |
| Tesseract 5.5.3 | 0.0 |