OpenAI teases big Tuesday release, GPT-6 Sol and Luna expected pre-DevDay
testingcatalog · x · 2026-09-22
- OpenAI product lead Tibo Sottiaux confirmed a major Tuesday release on X, having earlier hinted the update would match what developers usually see at a full DevDay.
- Speculation points to the first GPT-6 models — Sol, Terra, and Luna — dropping the week before DevDay 2026 (Sept 29, San Francisco).
- In OpenAI's tiered setup, Luna is the lightweight, cheap option for routine coding and monitoring; Sol sits mid-tier as a capable daily driver. Astra impresses on reasoning but remains heavy and expensive.
- Chatter intensified because users on higher tiers report unusually tight usage limits lately; a delayed release could sour sentiment further.
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