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OpenAI reportedly testing three new models: Aurora red, green, alpha

A leak claims three new OpenAI models named Aurora red, green and alpha have appeared, speculated to be new Astra models aimed at Claude Opus 5.5.

Chubby♨️
@kimmonismusArchived 12 days agoOriginally posted 2026.10.18
OpenAI reportedly testing three new models: Aurora red, green, alpha
Chubby♨️ @kimmonismusOriginally posted 2026.10.18
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3 new OpenAI models spotted. Aurora red, green and alpha. I suspect this is a competitor to Anthropic’s Claude - likely new "Astra" models, intended as a countermove to Fable 5.5 and Opus 5.5.

This post quotes another post: x.com/chetaslua/status/2111661115117900177

x.com/kimmonismus/status/2111719826565845166Archived 2026.10.18 16:00