DataGemma is the world's first open model aimed at addressing AI hallucination issues by leveraging extensive real-world statistical data from Google's data-sharing platform. These models enhance the factual and reasoning capabilities of language models through two distinct approaches, thereby reducing hallucinations and improving AI accuracy and reliability. The launch of the DataGemma model represents a significant advancement in AI technology to enhance data accuracy and mitigate misinformation, holding great significance for researchers, decision-makers, and everyday users alike.