Brussels: The European Commission gains the power to fine providers of general-purpose artificial intelligence models from 2 August 2026, the moment the AI Act’s enforcement machinery switches on for the technology’s largest players.

From that date the AI Act moves from persuasion to compulsion. The European AI Office, the unit inside the Commission that polices advanced models, can request documentation, evaluate models directly, order corrective measures, restrict or withdraw a model from the EU market, and levy fines of up to €15 million or 3% of global annual turnover.

The shift closes a first year in which providers of general-purpose AI, the systems behind chatbots and image generators, were already bound by obligations but could not be penalised for breaking them. The makers of the best-known foundation models now face real financial exposure for the first time.

A second set of rules bites the same day. Article 50 transparency obligations become enforceable across the single market, requiring firms to disclose when users are talking to a chatbot, to mark synthetic content, and to label deepfakes.

Henna Virkkunen, the Commission’s Executive Vice-President for Tech Sovereignty, Security and Democracy, has cast the framework as a way to keep Europe both innovative and safe.

The Code of Practice, she said, “marks an important step in making the most advanced AI models available in Europe not only innovative but also safe and transparent”.

Providers can sign the voluntary General-Purpose AI Code of Practice, published in July 2025, to demonstrate they meet their duties. The code runs across three chapters covering transparency, copyright, and safety and security.

Not every part of the AI Act arrives on schedule. On 16 June 2026 the European Parliament approved amendments that push most high-risk obligations further into the future. The rules governing Annex III systems, the eight use-case categories such as employment, education, and essential services, slip from August 2026 to December 2027, with other provisions delayed to August 2028.

The delay hands companies more time to prepare for the heaviest compliance burden, but it also exposes the political strain over how fast Europe should regulate a fast-moving industry. Critics warn the postponement blunts the law’s ambition; supporters argue it prevents a rushed rollout of untested requirements.

The AI Act, adopted in 2024, ranks as the world’s first comprehensive law governing artificial intelligence. It sorts systems by risk, banning a handful of uses outright, imposing strict duties on high-risk applications, and setting lighter transparency rules for everyday tools. The Commission has published its own guide to navigating the AI Act for firms trying to map their obligations.

Key dates now in force or approaching:

• 2 August 2026: the Commission can fine general-purpose AI providers, and Article 50 transparency rules turn enforceable.
• Fines reach up to €15 million or 3% of global turnover under Article 101.
• 2 December 2027: most high-risk Annex III obligations apply.
• August 2028: the remaining high-risk provisions take effect.

For the American firms that dominate foundation models, the August deadline lands with particular force, since the AI Act reaches any system placed on the EU market regardless of where it was built. Compliance teams have spent the past year mapping obligations, documenting training data, and testing models against the code’s benchmarks.

The European AI Office now carries the harder task of enforcement, moving from writing guidance to inspecting the models themselves. How firmly it wields its new powers in the coming months will shape whether the AI Act becomes a genuine global standard or a rulebook that struggles to keep pace with the technology it governs.