OpenAI discontinues Codex and faces reports of model quality degradation for paid users OpenAI has discontinued Codex, its last assistant-like coding model, according to multiple Reddit and blog posts, removing a standalone coding-focused model from OpenAI's product line and shifting developers toward GPT-4 integration. Users on r/codex also report quality degradation even on paid tiers, with archived posts documenting developer frustration over reduced output quality. 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.