Baidu Open-Sources Unlimited-OCR for Long Documents

thisdudelikesAI · x · 2026-07-20

Baidu’s Unlimited-OCR has been open-sourced as a local document OCR model.

The post says it is a 3B model that can process long PDFs in a single pass with a 32K context window, supports multiple languages, and runs entirely on local hardware. It is claimed to reach 93% on a standard parsing benchmark, keep error rates below 0.11 after 40 pages, and work with Transformers, vLLM, SGLang, Docker, Ollama, and llama.cpp.

The comparison point is that cloud OCR services charge per page, while this setup avoids upload limits, per-page billing, and sending private documents to a remote server. The post also says it has surpassed 1.9 million downloads on Hugging Face.

Related event: Baidu Open-Sources Unlimited-OCR for Long Documents(4 posts)→

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