Fin 3, announced by Chief Product Officer Paul Adams at Pioneer 2025, represents a significant advancement in AI-driven customer service agents, designed to handle complex queries across multiple channels like Slack, Discord, and voice calls. Building on its predecessors, Fin 3 features enhanced training through Procedures, which allow it to resolve intricate issues by following detailed natural language instructions and deterministic controls, thereby mimicking human reasoning and decision-making. The introduction of Simulations offers a robust testing environment to ensure Fin performs predictably in real-world scenarios, while updates to the Insights product provide deeper analytics into its effectiveness and customer experience. The system's adaptability is further enhanced by improvements in voice interaction, making it sound more natural and context-aware, thus improving customer satisfaction. These upgrades enable Fin 3 to automate a larger portion of customer support tasks, freeing human teams to focus on higher-level responsibilities and ensuring seamless and efficient operations across various customer service platforms.