Update README.md

README.md

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 # AceGPT
-AceGPT is a fully fine-tuned generative text model collection based on LlaMA2, particularly in the Arabic language domain.   
-This is the repository for the 7B pretrained model。
+AceGPT is a fully fine-tuned generative text model collection based on LlaMA2, particularly in the  
+Arabic language domain. This is the repository for the 7B pretrained model.
+# Model Details
+We have released the AceGPT family of large language models, which is a collection of fully fine-tuned  
+generative text models based on LlaMA2, ranging from 7B to 13B parameters. Our models include two main  
+categories: AceGPT and AceGPT-chat. AceGPT-chat is an optimized version specifically designed for dialogue  
+applications. It is worth mentioning that our models have demonstrated superior performance compared   
+to all currently available open-source Arabic dialogue models in multiple benchmark tests. Furthermore,  
+in our human evaluations, our models have shown comparable satisfaction levels to some closed-source models,  
+such as ChatGPT, in the Arabic language.