OpenAI says GPT-6 hits 87.4% on MultiLangBench, 97.9% on COBOL migration
The Decoder · rss · 2026-10-21
OpenAI improved its latest models for low-resource languages like COBOL, Fortran, and Visual Basic. On the new MultiLangBench, GPT-6 Astra scores 87.4% across 20 languages, up from 38% for GPT-5.6 Terra, and GPT-6.1 Sol reaches up to 97.9% accuracy on COBOL migration — relevant for modernizing critical financial infrastructure.
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