fable 5 dropped tuesday, anthropic's first public mythos class model, and openai hasn't said a word. that silence is interesting. reports are already floating that openai may announce something this week. nothing official, but the pattern is familiar: competitor ships, sam tweets something cryptic, a release "coincidentally" lands days later. two things make this round different though. first, both companies are heading for the public markets. openai filed confidentially for an i...