OpenAI has seemingly deprecated or removed the Codex 5.3 model, causing distress among users who relied on its performance. Users are reporting errors when attempting to access the model, with some noting that newer versions like 5.4 and 5.5 are less effective and more costly. This change has led to user disappointment and a search for alternative solutions. AI
IMPACT Users are left searching for alternatives as a previously favored model is no longer supported.
RANK_REASON User reports of a specific model version becoming unavailable.
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