OpenAI's model list surfaces aurora-red/green/blue-alpha checkpoints, tipped as Fable 5.5 answer

ChrisGPT · x · 2026-10-18

A tracker polling OpenAI's /v1/models endpoint added aurora-blue-alpha, aurora-green-alpha and aurora-red-alpha on Oct. 18, following the earlier Oct. 15 sighting of gpt-6-astra-api-priv-ev3. The author speculates these checkpoints are what OpenAI plans to release in response to Fable 5.5. Screenshot shows alerts from a Dev Mode Discord. Unverified leak.

Related event: Three mystery aurora-alpha models appear in OpenAI API(7 posts)→

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