model size
1 article tagged with model size
October 28, 2026
analysis
Ted Sanders explains OpenAI model naming: version numbers signal release order, lineage and size of leap
Ted Sanders has explained how OpenAI names its models. Version numbers signal release order, relationship to other releases and size of improvement, while a separate tier ordering runs Luna < Terra < Sol < Astra. The quotation was posted by Simon Willison on 28 October 2026.