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EU starts enforcing its AI Act

EU starts enforcing its AI Act

Rule Changes

Two-year grace period ends; Brussels can now fine the makers of large AI models

December 2nd, 2026: Marking grace period ends

Overview

For two years, Europe's AI rulebook came with a grace period. On August 2, 2026, that period ended.

The European Commission can now fine the makers of large AI models up to 15 million euros or 3% of global revenue, whichever is larger. Its AI Office can demand training documents, test the models, and order changes. Chatbots must tell users they are machines, and AI-made images, audio, video, and text must be labeled.

Why it matters

Any AI chatbot used in Europe now has to tell you it is not human, and the deepfakes in your feed must carry a label.

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Key Indicators

3%
Top fine as share of global revenue
Or 15 million euros, whichever is larger, for breaking the model rules.
€3.3B
Estimated yearly EU compliance cost
Figure cited by trade group DIGITALEUROPE while lobbying for delays.
450M
People in the EU single market
The user base any AI system deployed in the bloc must now cover.
125+
AI Office staff
Only some of them supervise general-purpose models across 100-plus duties.

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People Involved

Organizations Involved

Timeline

August 2024 December 2026

7 events Latest: December 2nd, 2026
Tap a bar to jump to that date
  1. Council clears the Digital Omnibus

    Policy

    The Council of the EU gives final approval to the amendments, delaying high-risk AI duties to December 2, 2027 while keeping the August 2026 deadlines.

  2. Commission proposes Digital Omnibus

    Policy

    Brussels proposes easing and delaying parts of the Act after industry pushback over cost and complexity.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

May 2018

GDPR takes effect (2018)

The EU's General Data Protection Regulation began applying across the bloc after a two-year grace period. It set fines up to 4% of global revenue and forced companies worldwide to change how they handle personal data.

Then

Firms rushed to add consent banners and privacy notices, and early enforcement was slow as regulators staffed up.

Now

GDPR became a global template; several countries copied it, and large fines against US tech firms followed years later.

Why this matters now

The AI Act follows the same playbook: a grace period, revenue-based fines, and reach far beyond Europe's borders. GDPR's slow start also hints at how AI enforcement may open.

March 2004 to March 2013

Microsoft EU antitrust fines (2004-2013)

The European Commission fined Microsoft over how it bundled software and shared technical information, with penalties eventually topping 2 billion euros. Brussels ordered product changes for the EU market.

Then

Microsoft appealed, complied in stages, and shipped modified products for Europe.

Now

The case showed Brussels would take on the largest US tech firms and reshape their products to meet EU rules.

Why this matters now

It is a reminder that the Commission has both the will and the track record to force changes on dominant American technology companies, the same firms now facing the AI Office.

Sources

(10)