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OpenAI unveils GPT-5.3-Codex, its first AI model trained by its own AI

OpenAI has introduced GPT-5.3-Codex, a new generation of its Codex coding system that did more than write software for others ...

OpenAI’s Latest Codex Moves Beyond Just Coding

OpenAI’s GPT-5.3-Codex marks a shift from coding assistant to full-stack work agent, reshaping how enterprises think about AI ...