State of play · data as of 2026-10-21

Training data transparency

Must AI developers disclose what they trained on?

Where it's heading

Positions on a five-point scale; see the methodology. Narrowed or overruled decisions are left out.

The law todayToo few to say

2 jurisdictions

2 a summary or on request

ProposalsToo few to say

1 paper

1 detailed disclosure required

Who says what

Every source behind each group’s position, including those still pending or taking no position. Open one for the full summary and the primary source.

Law

All 2: a summary or on request · 2 sources

Policymakers

All 1: toward detailed disclosure required · 1 source

Academia

No position yet · 0 sources

No source from this group on this question yet. Know one we’re missing? Tell us.

Professional bodies

No position yet · 0 sources

No source from this group on this question yet. Know one we’re missing? Tell us.

Current law, jurisdiction by jurisdiction

The most authoritative decision or act still in force in each jurisdiction. Open Decisions for the full list.

JurisdictionLeading authorityAnswerStatus
CaliforniaCalifornia AB 2013: Generative AI Training Data Transparency ActCalifornia Legislature · 2024 · LegislationA summary or on requestCurrent
European UnionEU AI Act: public summary of training content (Art. 53(1)(d))European Union (AI Act), with the European Commission AI Office template · 2025 · LegislationA summary or on requestCurrent

Options on the table

Proposals from parliaments, governments, universities and professional bodies, ordered by breadth of support. Each source group weighs the same.

1AI developers should disclose what protected content they trained on.

Policymakers 3/12 · Academia 1/34 · Professional bodies 2/6

Who backs each option →

What's pending

Decisions still under appeal, and policy moves in the last 18 months.

Decisions under appeal

No pending decisions recorded.

Recent policy moves

No recent policy moves recorded.

Latest on this topic

A descriptive map of public sources, not legal advice and not a recommendation. Positions are a curated reading, not an exhaustive survey. See the methodology.