Joseph Kim revealed that OpenAI experienced problems with pre-training and scaling models in the past, but the company has successfully resolved many of these issues in 2026.
personJoseph KimcompanyOpenAI
The tape
1 quote
“At OpenAI, we ran into problems with pre-training, and therefore had difficulty scaling the model. In 2026, we've been able to solve many of these issues.”
Joseph Kim
Heard on Latent Space — “⚡ Building ChatGPT for Finance — Joseph Kim, OpenAI's Head of Financial Services”, published Saturday, October 31, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.