From PC Mag: OpenAI's newest model is aimed at developers who want tools to write and develop code faster than ever. But will those developers even be necessary going forward? According to OpenAI, GPT-5.3-Codex was "instrumental in creating itself."
"The Codex team used early versions to debug its own training, manage its own deployment, and diagnose test results and evaluations—our team was blown away by how much Codex was able to accelerate its own development," OpenAI says in a blog post.
GPT-5.3-Codex wasn’t the primary development tool for this latest model, but it suggested refinements and improvements throughout the process. OpenAI says early versions helped to accelerate research, analyze interaction quality, and propose fixes for issues.
OpenAI says GPT-5.3-Codex began working on improvements to itself, starting from its "early versions." The company also says many researchers and engineers now say their jobs have "fundamentally" changed in the last couple of months because of these changes.
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