I still don’t know how openAI thought it was a good idea to have a model named "4o" AND a model named "o4", unless the goal was intentional confusion
"I know! Let's restart the version numbering for no good reason!" becomes DOOM (2016), Mortal Kombat 1 (2025), Battlefield 1 (2016), Xbox One (not to be confused with the original Xbox 1)
As another example, look at how much of a trainwreck USB 3 has become
Or how Nvidia restarted Geforce card numbering