OpenAI DevDay set for September 29, with rumors GPT-6 will bring Sol tier
DevDay runs September 29 in San Francisco with a free Sam Altman keynote livestream, but no new model is officially confirmed; the post speculates GPT-6 may introduce Sol, Terra and Luna tiers.

🚨 OpenAI DevDay Is Coming — September 29 >DevDay confirmed for September 29 at Fort Mason in San Francisco >Opening keynote is officially confirmed for 10:00 AM Pacific, featuring Sam Altman, livestreamed free for everyone >OpenAI is also running DevDay Exchange events in Bengaluru, Tokyo, Seoul, Paris, Berlin, London, São Paulo, and Mexico City >No new model launch, pricing, or API surface has been officially confirmed yet OpenAI's own page stays silent on that >GPT-6 could still bring the Sol, Terra, and Luna tiers forward from the GPT-5.6 generation >These tier names were built to persist across future generations, not one-offs >Sol = flagship, Terra = balanced everyday, Luna = fastest/cheapest same structure, next-gen versions Bel could also get teased as what comes after GPT-6 What are you expecting OpenAI to actually reveal on the 29th?