Skip to content
Submit incident
AII-1000-73279
ConfirmedA court, a regulator or the organization itself has stated the core facts, or the record cites a court or regulator source.Supporting sources are pending verification.

Spanish judge fined for using ChatGPT to draft judicial sentence

A Spanish judge was fined 1,000 euros by the judiciary's governing body for using ChatGPT to draft a judicial sentence while evading his official duties. The judge was discovered after leaving ChatGPT queries visible in the text he had presented as his own work.

27 April 2026 Β· Spanish provincial judge Β· Governance, accountability and labour
27 April 2026
AII-1000-73279
Quick facts
Category
Governance, accountability and labour
Country
Spain
Date
27 April 2026
Drafted by
Raidu Incident Detection

What happened

A Spanish provincial judge used ChatGPT to draft a judicial sentence. The judge was discovered after failing to remove ChatGPT queries from the text.

Reported impact

The Consejo General del Poder Judicial (CGPJ) fined the judge 1,000 euros for a serious breach, finding that he used artificial methods to argue the sentence based on ChatGPT's analysis of judicial records that the judge himself provided to the system.

Index analysis

The CGPJ's disciplinary commission determined that while the judge used AI as an aid and complement, he did so while evading his jurisdictional duties. The commission rejected a charge of very serious misconduct, as it found the AI was not used in substitution of the judge's functions, but instead classified the breach as a serious fault under Spanish law provisions regarding disclosure of information obtained in the exercise of judicial functions.

Governance controls

The CGPJ had previously issued guidance on 28 January stating that AI cannot issue sentences. The promoter of disciplinary action did not question the use of AI per se, but rather the judge's circumvention of his jurisdictional obligations.

Classification

Category
Governance, accountability and labour
Industry
Government, security and defence
Country
Spain
Harm status
Actual harm
Intent
Unintentional
Timing
Post-deployment
Harm types
Public interest, Reputational
Harmed
Government
Failure modes
Hallucination
Consequences
Fine or settlement
AI systems
ChatGPT
Regulations
EU AI Act (cited)

Sources and evidence

Sources not yet published

This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.

How sources are verifiedSuggest a source for this incident