In preview, can't be used in production, they already rug-pulled people building on Gemini w/r/t cost and RPM, and they're pointedly not putting any RPM or cost on the page. (seriously, try finding info on cost, RPM, or release right now, you're linked in circles.)

Agree on OpenAI multimodal but it's sort of a stilted example itself, it's because OpenAI has a hole in its lineup - ex. Claude Haiku is multimodal, faster, and significantly cheaper than GPT 3.5.