Update README.md

README.md

@@ -25,6 +25,7 @@ Welcome to OpenGVLab! We are a research group from Shanghai AI Lab focused on Vi
 
 - [ShareGPT4o](https://sharegpt4o.github.io/): a groundbreaking large-scale resource that we plan to open-source with 200K meticulously annotated images, 10K videos with highly descriptive captions, and 10K audio files with detailed descriptions.
 - [InternVid](https://github.com/OpenGVLab/InternVideo/tree/main/Data/InternVid): a large-scale video-text dataset for multimodal understanding and generation.
+- [MMPR](https://huggingface.co/datasets/OpenGVLab/MMPR): a high-quality, large-scale multimodal preference dataset.
 
 # Benchmarks
 - [MVBench](https://github.com/OpenGVLab/Ask-Anything/tree/main/video_chat2): a comprehensive benchmark for multimodal video understanding.