allenai.org2025-10-22officialauthorityabout the olmOCR 2 familyHN 3 pts · 1 comments876 words
AllenAI releases olmOCR 2, a vision-language model built on Qwen2.5-VL-7B that achieves 82.4 points on olmOCR-Bench for English digitized print documents. The system fine-tunes on a dataset of 270,000 PDF pages and uses Group Relative Policy Optimization with unit test rewards to generate structured Markdown, HTML, and LaTeX in a single pass. An FP8 quantized version delivers 3,400 output tokens/sec on a single H100 GPU, enabling processing of 10,000 pages for less than $2.written, reviewed, cited
- The synthetic data pipeline costs $0.12 per page to generate 2,186 PDF pages with 30,381 verifiable test cases.
- Training generates 28 completions per document, rewarding only those that pass more unit tests.
- The model correctly interprets the date in Abraham Lincoln's January 10, 1864 letter to Major General Hitchcock.