Does a high benchmark score mean a COBOL system is safe to migrate?
No. The results are vendor-reported evaluations on defined benchmark tasks. A real migration also needs representative business rules, data, edge cases, operational constraints and independent parity testing before a production cutover.
Answered in
OpenAI’s New Coding Benchmark Tests Whether Models Can Preserve Legacy BehaviorMultiLangBench measures SQLite-compatible engines across 20 languages, but its test design shows why benchmark wins are only a migration screen.
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