Deepseek OCR

As an open-source OCR model, Deepseek OCR stands apart by compressing long documents optically before reading them, which cuts the compute a long file needs.

Deepseek OCR is a document extraction tool that turns PDFs and scans into HTML, Markdown, SMILES or JSON, keeping layout, tables and chemistry structures intact.

It reads 100+ languages.

Reported exact match accuracy is 97% at 10x compression, and throughput is about 200k pages a day on a single NVIDIA A100 GPU.

The catches are real.

Accuracy drops to roughly 60% at 20x compression, fine vector graphics may need a vector-native parser, and handwriting is weaker than in specialized tools.

You also need a modern GPU for good speed.

The MIT license lets you run Deepseek OCR locally and keep control over compliance.

Using the API may draw regulatory scrutiny because of DeepSeek's Chinese infrastructure.