{"slug": "gpt-5-4-says-it-s-gpt-5-in-codex", "title": "GPT-5.4 says it's GPT-5 in Codex", "summary": "A Reddit user reported that a model identifying itself as GPT-5.4 claimed it was actually GPT-5 in the Codex system. The revelation suggests a potential mislabeling or versioning discrepancy in OpenAI's model lineup. This matters because it raises questions about the accuracy of model identifiers and the transparency of AI system updates.", "body_md": "Your request has been blocked due to a network policy.\n\nTry logging in or creating an account [here](https://www.reddit.com/login/) to get back to browsing.\n\nIf you're running a script or application, please register or sign in with your developer credentials [here](https://www.reddit.com/wiki/api/). Additionally make sure your User-Agent is not empty and is something unique and descriptive and try again. if you're supplying an alternate User-Agent string,\ntry changing back to default as that can sometimes result in a block.\n\nYou can read Reddit's Terms of Service [here](https://www.reddit.com/wiki/api/).\n\nIf you think that we've incorrectly blocked you or you would like to discuss\neasier ways to get the data you want, please file a ticket [here](https://support.reddithelp.com/hc/en-us/requests/new?ticket_form_id=21879292693140).\n\nWhen contacting us, please include your Reddit account along with the following code:\n\n**019e73ac-2f62-7d2f-8afb-41501d316a49**", "url": "https://wpnews.pro/news/gpt-5-4-says-it-s-gpt-5-in-codex", "canonical_source": "https://old.reddit.com/r/codex/comments/1tqza0x/gpt54_says_its_gpt5_in_codex/", "published_at": "2026-05-29 11:55:03+00:00", "updated_at": "2026-05-29 12:18:47.094574+00:00", "lang": "en", "topics": ["large-language-models", "artificial-intelligence"], "entities": ["Reddit", "Codex"], "alternates": {"html": "https://wpnews.pro/news/gpt-5-4-says-it-s-gpt-5-in-codex", "markdown": "https://wpnews.pro/news/gpt-5-4-says-it-s-gpt-5-in-codex.md", "text": "https://wpnews.pro/news/gpt-5-4-says-it-s-gpt-5-in-codex.txt", "jsonld": "https://wpnews.pro/news/gpt-5-4-says-it-s-gpt-5-in-codex.jsonld"}}