Rumors Swirl Over OpenAI's GPT-6 Astra Minor
Unverified leaks suggest OpenAI is preparing GPT-6 Astra Minor, a model seen as a Claude Opus 5.5 rival that appears as a supported mainline model in Daybreak docs, possibly bridging Sol and Astra. One reading argues Sol wasn't beaten by Opus 5.5 but is a renamed Terra, which saw far lower usage than Luna and Astra.
2026-09-23 ~ 2026-09-24 · 3 related posts
- Episode 1: GPT-6 Sol/Luna and Aeon Agent Rumors Surge Amid Technical Leaks, No Official Confirmation(2026-09-21, 33 posts)
- Episode 2: GPT-6 Sol and Luna surface in Codex code and interfaces(2026-09-22, 4 posts)
- Episode 3: OpenAI Launches GPT-6 Sol and Luna Across API, Codex and ChatGPT Work(2026-09-23, 11 posts)
- Episode 4: Rumors Swirl Over OpenAI's GPT-6 Astra Minor(2026-09-23, 3 posts)
- Rumor: OpenAI's updated Daybreak docs list GPT-6 Astra Minor as a mainline model, possibly a cheaper Astra variant — brandon_galang · 2026-09-23
- Rumor: OpenAI's GPT-6 'Astra Minor' is the new Sol, replacing Terra — daniel_mac8 · 2026-09-23
- Analyst argues GPT-6 Sol is renamed GPT-5.6 Terra, not a response to Opus 5.5 — brandon_galang · 2026-09-24