Event ·Multi-source

百度开源 Unlimited OCR 2：显存从 47GB 降到 1.77GB，读完 3623 页哈利·波特

百度文心开源了 Unlimited OCR 2 OCR 模型，核心思路是用稀疏注意力替代全局注意力，让每一步处理更少内容而不是扩大上下文窗口。显存占用从 47GB 降到 1.77GB，降幅超过 96%。长文档识别准确率达到通用大模型的 2.3 倍，官方演示中完整读完了 3623 页的哈利·波特。全权重已在 GitHub 和 HuggingFace 上开源。

Current read

百度开源的 Unlimited OCR 2 用稀疏注意力把显存从 47GB 压到 1.77GB，还能读完 3623 页哈利·波特，权重直接可下。

3 sources52° AI heatLast updated 2026/10/27 08:02:42

Evidence

3 sources

Primary sourceberryxia

2026/10/27 08:02:42View source

Related source 1marktechpost

2026/10/27 05:26:36View source

Related source 2AIGCLINK

2026/10/27 07:41:36View source

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Dedup data only shows that these sources discuss the same event, not that they agree. There is no structured supporting or refuting evidence yet, so no conflict is inferred automatically.

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