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.

By · Published

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.…

When you purchase through links in our articles, we may earn a small commission. This doesn’t affect our editorial independence.

Reader comments

Conversation for this story loads after sign-in.