Codex code leak hints at GPT-6 Luna with pricing already in place, alongside GPT-6 Sol
haider1 · x · 2026-09-22
A developer spotted what appears to be GPT-6 evidence buried in OpenAI's Codex code:
- The backend sometimes answers gpt-5.6-luna requests with gpt-6-luna, suggesting internal canary testing.
- Pricing support for GPT-6 Luna already exists in the code.
- The author speculates OpenAI planned to launch GPT-6 Luna alongside GPT-6 Sol, hinting at a two-variant naming scheme.
Unconfirmed leak, but the code-level detail gives it credibility.
Related event: GPT-6 Sol and Luna surface in Codex code and interfaces(4 posts)→
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