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OpenAI taught AI to rewrite legacy programs: up to 97.9% accuracy in its own test.

OpenAI taught AI to rewrite legacy programs: up to 97.9% accuracy in its own test.

In particular, the model successfully migrated 86.6% of COBOL programs to other languages at a low reasoning level.

COBOL runs more than 40% of online banking systems and 95% of ATM transactions.

The previous model managed only in 5.4% of cases.

COBOLLegacy ModernizationFortranVisual BasicLarge Language ModelsBanking
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