Fairly sure GPT-4o counts as a new product, since it was called the newest flagship model at some point during the OpenAI stream thingy that happened today. That means the market ought to resolve to Other imo @MichaelL

It can do video analysis and act as an agentish thing, and may be considered by some to be GPT-4.5, so really it wouldn't be too outrageous to disagree and say it would resolve to any of those, but the first 2 are byproducts of its multimodal capabilities, and though it might come to be referred to as GPT-4.5, it was not announced as such.