OpenAI quietly lists three aurora alpha models in its API

Three new model identifiers have appeared in the OpenAI API: aurora-red-alpha, aurora-green-alpha, and aurora-blue-alpha. OpenAI has not announced them, documented them, or explained what they do. The names were reported on October 18, 2026. They reached a wider audience through a post on X from AI researcher @scaling01. What showed up, and what didn’t Three model IDs, all carrying the “aurora” prefix and an “alpha” suffix, are now listed in OpenAI’s developer interface. What’s missing is everything a developer would usually look for. No official commentary on capabilities has come from OpenAI. No changelog entry confirms their status. There is also no public pricing and no stated use case. The public conversation around the three identifiers traces back to the single post from @scaling01. That post is unverified and speculative about how the models might be used. The aurora backstory The aurora name isn’t entirely new. The @scaling01 post pointed to an earlier model called aurora-alpha. That model was first listed on OpenRouter in February 2026. OpenRouter is a platform that routes developer requests across models from multiple AI providers. Aurora-alpha has been speculated to be ...