# OpenAI discontinues Codex and faces reports of model quality degradation for paid users > Source: > Published: 2026-09-21 20:04:20+00:00 # OpenAI discontinues Codex and faces reports of model quality degradation for paid users According to multiple Reddit and blog posts, OpenAI has discontinued Codex, its last "assistant-like" coding model, and users report quality degradation even for paid tiers. The retirement removes a standalone coding-focused model from OpenAI's product line, shifting developers toward GPT-4 integration. Posts archived on r/codex document developer frustration with reduced output quality. ## Topics ## Sources - Press[Read article](https://www.vincentschmalbach.com/gpt-5-5-retirement-codex/) - Social[Reddit thread](https://old.reddit.com/r/codex/comments/1wkwdfl/the_end_of_the_codex_era_ive_completely_lost/) ## Go deeper This intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.