Baidu released and open-sourced Unlimited OCR 2 on October 27, 2026, with code and weights on GitHub and Hugging Face under the MIT license. The model uses Sparse Reference Sliding Window Attention to ...
Baidu open-sources Unlimited OCR 2, an MIT-licensed 3B OCR model scoring 77.1 on MarathonDocBench for hundred-page document parsing.
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