Announcing Fin Apex: The age of vertical models is here

Fin has introduced a new AI model called Apex, touted as the most advanced, efficient, and cost-effective technology in the customer service agent category, surpassing leading models like GPT-5.4 and Opus 4.5. Fin's latest development is a result of extensive research by their AI group, leveraging proprietary data to create a custom model that significantly enhances customer issue resolution rates, speed, and cost-effectiveness, with one notable client improving resolution rates from 68% to 75%. This advancement signals a shift in the AI industry towards more specialized and domain-specific models, moving away from general-purpose models to post-training as a competitive edge. The customer service sector, alongside coding and the legal industry, is experiencing substantial impacts from generative AI, highlighting the importance of companies developing their own models to maintain differentiation. The broader AI industry is witnessing a transformation with open-weight models closing the gap with frontier labs, suggesting a need for labs to innovate and create specialized models to stay competitive, potentially leading to new data partnerships or acquisitions. Fin's achievement with Apex exemplifies the potential of custom models in meeting specific industry needs and sets the stage for future advancements in deploying AI across customer service operations.

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