OpenAI Announces GPT-6 Achieves Major Gains in Legacy Languages Like COBOL and Fortran

Original headline: OpenAI says GPT-6 is much better with legacy programming languages such as COBOL and Fortran

GAI Press Editors · Wednesday, October 21, 2026 · AI summary

OpenAI unveiled its GPT-6 family, which delivers significantly improved performance on low‑resource legacy languages such as COBOL, Fortran and Visual Basic. On the new MultiLangBench benchmark, GPT-6 Astra achieved an 87.4% pass rate across 20 languages, far surpassing GPT-5.6 Terra's roughly 38% score. For COBOL migration tasks, GPT-6.1 Sol reached 97.9% accuracy, offering a promising tool for modernizing critical financial infrastru…

Improved support for legacy code can cut modernization costs and time for critical financial systems.

Research angleHow does the use of AI-powered legacy code translation tools affect organizations' IT maintenance expenditures? — Resource-Based View (RBV)

Read the original at The Decoder ↗Oct 21, 01:40 KST

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