OpenAI Reportedly Set to Launch Astra Next Week, Largest Pretrain Since GPT-4.5

koltregaskes · x · 2026-08-06

OpenAI is reportedly preparing to launch its new model, Astra, as early as next week. Astra is said to be the largest pretrain since GPT-4.5. The most recent internal dogfood checkpoint, internally known as "mewfour", has reportedly become the release candidate. The coming week might also see other models achieving state-of-the-art results.

Related event: OpenAI Rumored to Release GPT Astra Next Week(2 posts)→

Original post →

More from Models

Models channel →