Ai2 OpenScholar is a retrieval-enhanced language model developed in collaboration between the Allen Institute for AI and the University of Washington. It is designed to assist scientists in effectively navigating and synthesizing scientific literature by retrieving relevant papers and generating responses based on them. The model performs exceptionally well across multiple scientific domains, particularly in citation accuracy and factual reliability. It represents a significant advancement in the application of artificial intelligence in scientific research, capable of accelerating scientific discovery and improving research efficiency.