Developer's Codex usage drops to zero since Opus 5.5 shipped
rudrank · x · 2026-10-19
Developer rudrank reports that since Claude Opus 5.5 dropped, his work Codex account usage has gone to zero — with a usage dashboard showing the curve collapsing to flat right after the release.
A first-hand signal of how a single model release can migrate a paying heavy user wholesale, with retention implications for OpenAI's coding product.
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