DeepSeek-OCR
Inference using Huggingface transformers on NVIDIA GPUs. Requirements tested on python 3.12.9 + CUDA11.8: torch==2.6.0 transformers==4.46.3 tokenizers==0.20.3 einops addict easydict pip install flash-attn==2.7.3 --no-build-isolation from transformers import AutoModel, AutoTokenizer import torch import os os.environ["CUDA_VISIBLE_DEVICES"] = '0' model_name = 'deepseek-ai/DeepSeek-OCR' tokenizer = AutoTokenizer.from_pretrained(model_name, trust_remote_code=True) model = AutoModel.from_pretrained(model_name, _attn_implementation='flash_attention_2', trust_remote_code=True, use_safetensors=True) model = model.eval().cuda().to(torch.bfloat16) prompt = "<image>\n<|grounding|>Convert the document to markdown. " image_file = 'your_image.jpg' output_path = 'your/output/dir' res = model.infer(tokenizer, prompt=prompt, image_file=image_file, output_path = output_path, base_size = 1024, image_size = 640, crop_mode=True, save_results = True, test_compress = True) Refer to [🌟GitHub](https://github.com/deepseek-ai/DeepSeek-OCR/) for guidance on model inference acceleration and PDF processing, etc.<!-- --> [2025/10/23] 🚀🚀🚀 DeepSeek-OCR is now officially supported in upstream [vLLM](https://docs.vllm.ai/projects/recipes/en/latest/DeepSeek/DeepSeek-OCR.html#installing-vllm). uv venv source .venv/bin/activate uv pip install -U vllm --pre --extra-index-url https://wheels.vllm.ai/nightly from vllm import LLM, SamplingParams from vllm.model_executor.models.deepseek_ocr import NGramPerReqLogitsProcessor from PIL import Image llm = LLM( model="deepseek-ai/DeepSeek-OCR", enable_prefix_caching=False, mm_processor_cache_gb=0, logits_processors=[NGramPerReqLogitsProcessor] ) image_1 = Image.open("path/to/your/image_1.png").convert("RGB") image_2 = Image.open("path/to/your/image_2.png").convert("RGB") prompt = "<image>\nFree OCR." model_input = [ { "prompt": prompt, "multi_modal_data": {"image": image_1} }, { "prompt": prompt, "multi_modal_data": {"image": image_2} } ] sampling_param = SamplingParams( temperature=0.0, max_tokens=8192, extra_args=dict( ngram_size=30, window_size=90, whitelist_token_ids={128821, 128822}, # whitelist: <td>, </td> ), skip_special_tokens=False, ) model_outputs = llm.generate(model_input, sampling_param) for output in model_outputs: print(output.outputs[0].text) We would like to thank [Vary](https://github.com/Ucas-HaoranWei/Vary/), [GOT-OCR2.0](https://github.com/Ucas-HaoranWei/GOT-OCR2.0/), [MinerU](https://github.com/opendatalab/MinerU), [PaddleOCR](https://github.com/PaddlePaddle/PaddleOCR), [OneChart](https://github.com/LingyvKong/OneChart), [Slow Perception](https://github.com/Ucas-HaoranWei/Slow-Perception) for their valuable models and ideas. We also appreciate the benchmarks: [Fox](https://github.com/ucaslcl/Fox), [OminiDocBench](https://github.com/opendatalab/OmniDocBench). @article{wei2025deepseek, title={DeepSeek-OCR: Contexts Optical Compression}, author={Wei, Haoran and Sun, Yaofeng and Li, Yukun}, journal={arXiv preprint arXiv:2510.18234}, year={2025} }