{"slug": "openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol", "title": "OpenAI says GPT-6 is much better with legacy programming languages such as COBOL and Fortran", "summary": "OpenAI's GPT-6 Astra achieved an 87.4 percent test pass rate across 20 languages on the new MultiLangBench, up from about 38 percent for GPT-5.6 Terra, as OpenAI improved its latest models for low-resource programming languages including COBOL, Fortran, and Visual Basic. For COBOL migration specifically, GPT-6.1 Sol reaches up to 97.9 percent accuracy, a result OpenAI says could matter for modernizing critical financial infrastructure.", "body_md": "OpenAI improved its latest models for low-resource programming languages like COBOL, Fortran, and Visual Basic. On the new MultiLangBench, GPT-6 Astra hits an 87.4 percent test pass rate across 20 languages, up from about 38 percent for GPT-5.6 Terra. For COBOL migration specifically, GPT-6.1 Sol reaches up to 97.9 percent accuracy, a result that could matter for modernizing critical financial infrastructure.\n\nThe article [OpenAI says GPT-6 is much better with legacy programming languages such as COBOL and Fortran](https://the-decoder.com/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol-and-fortran/) appeared first on [The Decoder](https://the-decoder.com).", "url": "https://wpnews.pro/news/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol", "canonical_source": "https://the-decoder.com/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol-and-fortran/", "published_at": "2026-10-20 16:40:29+00:00", "updated_at": "2026-10-20 16:48:23.281210+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "generative-ai", "ai-research", "developer-tools"], "entities": ["OpenAI", "GPT-6 Astra", "GPT-5.6 Terra", "GPT-6.1 Sol", "MultiLangBench", "COBOL", "Fortran", "Visual Basic"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol", "markdown": "https://wpnews.pro/news/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol.md", "text": "https://wpnews.pro/news/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol.txt", "jsonld": "https://wpnews.pro/news/openai-says-gpt-6-is-much-better-with-legacy-programming-languages-such-as-cobol.jsonld"}}