AI4 min read
Domain specialization
A six-month-old OCR model still beats Mistral. The reason is hard to fix.
DharmaOCR scores 0.925 on a Portuguese benchmark versus 0.798 for Mistral OCR4 and 0.7587 for Unlimited-OCR. The gap comes from concentrated training allocation and a DPO-based approach that suppresses text degeneration in complex documents.
2026-07-16