European Commission Releases Mandatory Template For Public Disclosure Of AI Training Data

On July 24, 2025, the European Commission's AI Office published its template for the public summary of training content for general-purpose AI (GPAI) models under Regulation (EU) 2024/1689 (AI Act). The publication of the template complements the release of the GPAI Code of Practice, a voluntary compliance mechanism, and the guidelines for providers of GPAI models (see our blog posts on the Code of Practice and the guidelines). The template is intended to help providers fulfill their disclosure obligations under Article 53(1)(d) of the AI Act and to support the enforcement of copyright and data protection law.

This blog post summarizes the core features of the template and outlines compliance expectations for AI developers. The template is a mandatory compliance tool that all GPAI providers must use to publicly disclose high-level information about the data used to train their models. Its release marks a pivotal milestone in the EU's AI governance framework, as it