Creator Andrew Curran reports ChatGPT is silently downgrading active sessions to a weaker '5.5-Instant' model
Users detected the fallback via an earlier training cutoff
#517Andrew Curran@ANDREWCURRAN_@scaling01 It started happening for me about three days ago, I noticed because it was like chatty had been hit in the head with a steel chair. Eventually I figured it out. This is 5.5-Instant's training cutoff. It had started switching sometimes without telling me.
@scaling01 Yes, 100%. I understand the position they are in, and I would not resent it at all if they were just honest about it.
Lisan al Gaib@scaling01@AndrewCurran_ the compute/profitability crunch is hitting everyone cutting cost at every corner
#980Lisan al Gaib@SCALING01ChatGPT is cooked
after an hour or two it just stops thinking entirely, but you don't get a warning or anything
it still shows that it used "GPT-5.5 Extended Thinking", but it answers instantly on every request and is noticeably dumber
Lisan al Gaib@scaling01I am getting messages like this every week since we fought the ChatGPT Plus war when GPT-5 launched
@AndrewCurran_ the compute/profitability crunch is hitting everyone
cutting cost at every corner
Andrew Curran@AndrewCurran_@scaling01 It started happening for me about three days ago, I noticed because it was like chatty had been hit in the head with a steel chair. Eventually I figured it out. This is 5.5-Instant's training cutoff. It had started switching sometimes without telling me.