Baidu Open-Sources Unlimited-OCR for Long Documents

Baidu has open-sourced Unlimited-OCR, a 3-billion-parameter model that activates only 500 million during inference. Using Reference Sliding Window Attention (R-SWA), it can continuously parse long documents of up to 40 pages at once.

2026-07-22 ~ 2026-07-24 · 3 related posts

• Baidu’s Unlimited OCR uses R-SWA to parse long documents in one pass — vista8 · 2026-07-22
• Baidu open-sources Unlimited-OCR, a 3B model that reads 40-page documents in one pass — HankYeomans · 2026-07-24

1 near-duplicate retellings: vista8