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: GPT-6 Sol and Luna surface in Codex code and interfaces(4 posts)→
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