GPT-6 Astra and Astra Aeon Model IDs Spotted in Codex

Developers found new model identifiers 'gpt-6-astra' and 'gpt-6-astra-aeon' in Codex Desktop feature flags, fueling speculation that OpenAI's next flagship model is imminent, with Aeon possibly optimized for long-horizon agent tasks.

2026-09-03 ~ 2026-09-03 · 3 related posts

• New slugs gpt-6-astra and gpt-6-astra-aeon spotted in Codex Desktop feature flags — BLCNYY · 2026-09-03
• GPT-6 Astra and Astra Aeon spotted in Codex; Aeon tipped as long-horizon agent model — VraserX · 2026-09-03
• GPT-6 Astra and Astra Aeon spotted in Codex, fueling OpenAI launch rumors — VraserX · 2026-09-03