Update README.md

Author: ChunyuanLI

README.md

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 ## Release Notes
 
+- [2024/08/06] 🔥 **🚀 [LLaVA-OneVision-Chat](https://github.com/LLaVA-VL/LLaVA-NeXT/blob/ov-chat-doc/docs/LLaVA_OneVision_Chat.md)**. The new LLaVA-OV-Chat (7B/72B) significantly improves the chat experience of LLaVA-OV. 📄
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+  ![](docs/ov_chat_images/chat_results.png)
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 - [2024/08/06] 🔥 **🚀 [LLaVA-OneVision (OV)](https://llava-vl.github.io/blog/2024-08-05-llava-onevision/)!** The new LLaVA-OV models (0.5B/7B/72B) achieve new state-of-the-art performance across single-image, multi-image, and video benchmarks, sometimes rivaling top commercial models on 47 diverse benchmarks. 📄 Explore More:
   * [[Paper]](https://arxiv.org/abs/2408.03326): In-depth insights, new emegerging scenarios, ie, strong video understadning through task transfer from images.
   * [[LLaVA-OV Doc]](https://github.com/LLaVA-VL/LLaVA-NeXT/blob/main/docs/LLaVA_OneVision.md): Model inference and evaluation guidance.