GPT-6 "Luna" spotted in Codex, but "Sol" is missing
Angaisb_ · x · 2026-09-23
User Angaisb reports having access to a model called "GPT-6 Luna" in Codex while the seemingly related "Sol" is not available. Unverified, but it hints at OpenAI's next-gen model naming and staged rollout.
Related event: Codex Leak Hints at GPT-6 Luna, Sol Still Missing(2 posts)→
More from Models
- Opus 5.5 launch met with shrug as enthusiasts shift to open models like Qwen and DeepSeek — ByteSize_Chaos · 2026-09-23
- Altman: GPT-6 Sol and Luna have no competition on per-task pricing — sama · 2026-09-23
- Gradio distills Qwen's 9B prompt rewriter into an 812MB 0.8B model that fits a laptop — Gradio · 2026-09-23
- Polymarket: GPT-6 claims up to 93% cheaper coding task costs than Claude Opus 5 — Polymarket · 2026-09-23
- OpenAI launches GPT-6 Sol and Luna, permanently cuts API prices 50% — aziz4ai · 2026-09-23
- Sam Altman announces GPT-6 Sol and Luna: major upgrades at half the price — sama · 2026-09-23