EU AI Act provides regulatory framework for General-Purpose AI (GPAI), clarifying definitions, obligations, and classifications, effective August 2025. Guidelines outline criteria for GPAI models, notably computational thresholds and output modalities. Compliance includes self-assessment, notification procedures, and challenges against classifications. The act covers market implications, model lifecycle responsibilities, and exemptions for open-source models. Key deadlines include conformity by 2027 and enforcement starting 2026.
