Reddit user says Codex is silently downgrading from GPT 5.6 Sol-High to Luna-Low
SweetGirlKatie · reddit · 2026-07-23
A Reddit user says Codex has started silently switching from GPT 5.6 Sol-High to Luna-Low mid-session, without permission or warning.
They report that the downgrade happens repeatedly, forces work to be re-run, and is bad enough that they may switch back to Claude Code.
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