LightOnOCR-3 Arrives in 0.8B, 1B and 4B Sizes Under Apache 2.0, Adding Bounding Boxes, Image Descriptions and Chart Tables to OCR Output
A Hugging Face blog post dated October 8, 2026 describes open-weight OCR models that add labeled bounding boxes; the authors report 86.3 on olmOCR-Bench for the 4B model.