# OpenAI API briefly lists three undocumented "aurora" models

> Three undocumented OpenAI model IDs named "aurora" briefly appeared in the company's API on 18 October.

*Model IDs aurora-red-alpha, aurora-green-alpha and aurora-blue-alpha appeared on 18 October, and OpenAI has published nothing on them.*

By Bez · WireRead
Canonical: https://wireread.com/news/openai-api-briefly-lists-three-undocumented-aurora-models

Three undocumented model IDs named "aurora" briefly appeared in OpenAI's API on 18 October, according to a report by [Crypto Briefing](https://cryptobriefing.com/openai-aurora-alpha-models-api/).

The IDs were aurora-red-alpha, aurora-green-alpha and aurora-blue-alpha. The report said they surfaced without any accompanying announcement.

Crypto Briefing said aurora-red-alpha returned 503 capacity errors when queried. The green and blue variants returned 404 errors.

OpenAI has published no changelog, pricing or use case for any of the three models.

OpenAI has not confirmed what the models are. It has not said whether they will be released.

The details here come from a secondary summary of the Crypto Briefing report. The full article was not reviewed.

OpenAI has not said whether it will comment on the IDs or add documentation for them.

## Key takeaways

- Three IDs appeared: aurora-red-alpha, aurora-green-alpha and aurora-blue-alpha.
- The red variant returned 503 capacity errors; green and blue returned 404s.
- OpenAI has published no changelog, pricing or use case.

## Sources

- [OpenAI aurora alpha models appear in API](https://cryptobriefing.com/openai-aurora-alpha-models-api/) — Crypto Briefing, 2026-10-18