OpenRouter stealth model Union-Alpha suspected to be GPT-6 Astra

ALICE ⚡ | AI Growth Mentor @AliceInTheDataOriginally posted 2026.09.18

Open original on X

Someone tested Union-Alpha, the new stealth model on OpenRouter, with their usual shooter prompt and it built a full playable FPS. The menu alone gives it away: huge title, orange arrow button, dark 3D scene, the exact same look as GPT-6 Astra. Feels like OpenAI is behind.

This post quotes another post: x.com/thdxr/status/2100273610808017383