Baidu open-sources 3B OCR model for one-pass, multi-page PDF parsing

Unlimited-OCR keeps its decoder cache fixed, though the viral 100-page claim runs ahead of Baidu's published tests.

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Primary source: X / Superman

Why it matters

Baidu's fixed-cache decoder could reduce the cost and complexity of parsing long documents locally, but developers should treat 40-plus pages, not 100, as the tested range.

Illustration of Baidu's Unlimited-OCR model processing multiple PDF pages in one pass, extracting text and preserving document layout across a stack of pages.

Baidu released Unlimited-OCR, an open-weight vision-language model designed to parse dozens of document pages in one forward pass while preventing its decoder memory from growing with every generated token.…

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