# Downdetector indicates ChatGPT instability after user reports

- Published: 2026-09-28T16:55:45.000Z
- Updated: 2026-09-28T19:27:06.057Z
- Section: AI in practice
- Page: https://aidailyjournal.com/en/n/2026/09/28/downdetector-indicates-chatgpt-instability-after-user-reports/
- Sources: [g1](https://g1.globo.com/tecnologia/noticia/2026/09/28/chatgpt-instabilidade-nesta-segunda-feira.ghtml)

## Summary

Users reported difficulty accessing ChatGPT on Monday (28), according to Downdetector. Reports began around 1:20 p.m. and exceeded 600 at 1:35 p.m.; in Brazil, they were concentrated in São Paulo, Rio de Janeiro, Belo Horizonte, Curitiba, Porto Alegre, Fortaleza and Brasília.

g1 said it contacted OpenAI, which is responsible for the service, and was awaiting a response. Users discussed the instability on social media, including jokes about having to start reasoning again without the chatbot.

## Why it matters (editorial interpretation)

The concentration of reports across several Brazilian cities indicates that access difficulties were noticeable among the service’s users, although the summary does not confirm the cause or scope of the instability. OpenAI’s response was still pending, leaving the diagnosis open.

_Summary written by AI Daily Journal in its own words, based on the sources above. For details, read the original articles._