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OpenAI GPT-5.3-Codex Strengthens the Case for Auditable COBOL Modernization

This story is from 2026-10-20. It is preserved in the archive; the latest stories are on the live feed.

OpenAI is positioning GPT-5.3-Codex for more capable coding, debugging, and end-to-end software work, a development that has particular relevance for organizations maintaining difficult legacy applications. The strongest first-party evidence concerns COBOL: OpenAI has published a Codex workflow for…

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  1. 2026-10-20 00:45 · DEV Community — AI
    OpenAI GPT-5.3-Codex Strengthens the Case for Auditable COBOL Modernization

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