Edition of October 26, 2026Use cases · with prompt · with sourcePTEN

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Case archive · 10

Illustrative photo: Health sector271
Health🇺🇸 United States

A running plan for someone who hated running

An American asked ChatGPT for a science-based exercise plan, ran six times a week and lost 12 kg.

PatientConsumerChatGPT
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Illustrative photo: Legal sector272
Rights and Bureaucracy🇧🇷 Brazil

The ChatGPT-written petition that earned a fine from the TSE

A lawyer filed a petition written with ChatGPT at the TSE and was fined for bad-faith litigation.

LawyerChatGPT
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Illustrative photo: Services/Technology sector273
Programming🇧🇷 Brazil

Finding a strange bug by pasting the error into ChatGPT

A Java dev couldn't create a table in H2; ChatGPT pointed to the problematic field.

DeveloperChatGPT
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Illustrative photo: Health sector274
Health🇺🇸 United States

A second opinion for the dog's health

An owner pasted test results into GPT-4, which suggested a hypothesis that the veterinarian confirmed.

Pet OwnerGPT-4
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Illustrative photo: Construction sector275
Marketing and Content🇧🇷 Brazil

Real estate agency writes property descriptions with ChatGPT

Bravier Imóveis uses ChatGPT for the listing descriptions of its agents.

Real Estate AgentChatGPT
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Illustrative photo: Construction sector276
Marketing and Content🇺🇸 United States

Real estate agent writes listings with ChatGPT

An American agent generated a complete listing from keywords and adjusted it before publishing.

Real Estate AgentChatGPT
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Illustrative photo: Public Sector sector277
Rights and Bureaucracy🇧🇷 Brazil

Writing a traffic ticket appeal with ChatGPT

A São Paulo dev fined for using hazard lights used ChatGPT to draft the appeal and got the fine canceled.

DriverChatGPT
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Illustrative photo: Legal sector278
Rights and Bureaucracy🇧🇷 Brazil

What happens when AI invents case law (TJSC)

A court fined a party who filed an appeal with nonexistent rulings and legal scholarship generated by AI.

LawyerParty to a LawsuitIA generativa
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Illustrative photo: Services/Technology sector279
Productivity🇧🇷 Brazil

Testing AI with technical accounting questions before trusting it

The president of CRC-RS says he tested ChatGPT with technical questions in the field and found the answers satisfactory.

AccountantChatGPT
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Illustrative photo: Health sector280
Business and Sales🇧🇷 Brazil

Dentist in the Brazilian backlands cross-references clinic data with AI to track metrics

Centro Odontológico SorriBem, in Patos (PB), began organizing management reports with AI.

DentistBusiness OwnerIA generativa
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Illustrative photo: SMB sector281
Marketing and Content🇧🇷 Brazil

Biojewelry micro-entrepreneur sees a website appear in minutes with AI

At a Sebrae training session in Belém, the owner of Cria Circular watched AI build a website from the brand's Instagram.

Micro-Entrepreneur (MEI)EntrepreneurFerramentas gratuitas de IA
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Illustrative photo: Retail sector282
Customer Service🇧🇷 Brazil

Small-town cosmetics brand creates a hair care assistant on WhatsApp

Zafir Cosméticos, from Jacobina (BA), created Zaia, which guides customers and hairdressers by hair type.

Business OwnerHairdresserAssistente de IA no WhatsApp
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