Ethereum co-founder Vitalik Buterin reported significant improvements in offline mobile knowledge apps following recent testing, though performance still trails laptop-based models on complex tasks. Buterin observed notable advancements compared to versions available just two months ago, highlighting rapid development in local mobile AI capabilities. Current limitations remain most apparent with specialized queries, such as identifying specific local businesses like vegetarian restaurants. Buterin expressed optimism for continued product evolution, emphasizing the goal of enabling users to access diverse real-world information reliably without an internet connection.