平臺宣佈將於2026年6月2日強制下線GPT-5.2、GPT-5.3-Codex等多款舊版大語言模型，全面推行旗艦模型GPT-5.5。此舉引發開發者羣體爭議，因新版模型在實際應用中存在明顯性能下降問題，開發者公開抱怨並反彈。
OpenAI工程師意外在代碼倉庫中泄露了尚未發佈的“gpt-5.4”型號信息，引發技術圈震動。儘管公司迅速修正爲“gpt-5.3-codex”，但多方認爲這並非簡單失誤，暗示大模型領域可能迎來重大更新。
OpenAI最強編程模型GPT-5.3-Codex全面開放，AI輔助開發進入新階段。該模型不僅能生成代碼，更能深度理解工程脈絡，實現從“寫代碼”到“懂工程”的跨越，標誌着開發者生產力工具的史詩級強化。
OpenAI正式向全球開發者開放GPT-5.3-Codex編程大模型。該模型融合了GPT-5.2-Codex的編碼效率與GPT-5.2的通用推理能力，不再侷限於代碼生成，成爲功能更全面的智能編程工具。用戶可通過官方API或第三方平臺直接調用。
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