Unlocking the EU AI Act: A Guide to GPAI Model Providers' Obligations and Enforcement

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The EU AI Act's enforcement provisions for GPAI model providers are a critical aspect of ensuring the responsible development and deployment of AI systems.

TL;DR
• The EU AI Act imposes obligations on GPAI model providers, including substantive and procedural requirements.
• National market surveillance authorities and downstream providers can contribute to the enforcement of the AI Act.
• The scientific panel plays a crucial role in ensuring the proper enforcement of the AI Act.

Summary
The EU AI Act’s Chapter V enforcement begins on 2 August 2026, granting the Commission exclusive supervisory and fining powers over general‑purpose AI (GPAI) model providers. Providers must comply with substantive obligations—technical documentation, copyright policy, training data disclosure—and procedural duties—cooperation, information requests, and model access.
• One‑year adjustment period before enforcement powers activate.
• Fines up to 3 % of worldwide turnover or €15 million, whichever is higher.
• Mandatory risk assessment for high‑impact models (compute >10^25 FLOP).
• National market surveillance authorities can trigger Commission action.
• Scientific panel alerts enable swift enforcement within two weeks.

The Commission’s powers include requesting documentation (Article 91), conducting evaluations (Article 92), and demanding corrective measures (Article 93). These tools target both GPAI and high‑risk GPAISR models, ensuring compliance with technical, ethical, and cybersecurity standards. The Act also requires providers to appoint authorized representatives in the EU and to notify the Commission promptly of high‑impact capabilities.

Enforcement extends beyond the Commission. National MSAs can request Commission intervention when market surveillance lacks model data, while downstream providers—those integrating GPAI models into AI systems—can lodge complaints, leveraging their technical knowledge. The scientific panel’s qualified alerts trigger immediate Commission review, fostering rapid response to systemic risks.

Overall, the framework balances rigorous oversight with clear procedural pathways, encouraging providers to maintain transparent documentation, engage with regulators, and adopt risk‑mitigation practices. By integrating multiple enforcement actors and setting substantial penalties, the EU AI Act aims to safeguard public trust, promote responsible AI development, and ensure that technology augments rather than displaces human capabilities.

The effective enforcement of the EU AI Act requires a comprehensive understanding of the obligations and enforcement powers of GPAI model providers. By grasping these complexities, we can ensure the responsible development and deployment of AI systems that benefit society as a whole.