GPT-6 Sol and Luna launch on the same day

VraserX e/acc @VraserXOriginally posted 2026.09.23

Open original on X

What a beautiful day for AI. GPT-6 Sol and Luna are finally here, bringing Astra-level advances into models that are faster, dramatically cheaper and actually usable at scale. Opus 5.5. GPT-6 Sol. GPT-6 Luna. GPT-6 Astra. The model race is absolutely insane right now. I love it.

This post quotes another post: “OpenAI releases GPT-6 Sol and Luna with 50% lower API prices”