OpenAI Reportedly Preparing to Launch Astra Next Week

The_Digital_Hearts · reddit · 2026-08-07

According to reputable leaker @syntheavedd, OpenAI is preparing to launch Astra imminently, potentially as early as next week. Astra is a new pretrain and the largest model OpenAI has trained since GPT-4.5.

The most recent internal dogfood checkpoint, codenamed "mewfour", is reportedly the release candidate.

Related event: OpenAI Rumored to Release Astra Next Week, Possibly Largest Pretrained Model Since GPT-4.5(10 posts)→

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