OpenAI's new model GPT-6.1 Sol: What percentage did it get right in a COBOL migration where not even a 1-byte deviation is allowed?

Under the same conditions, the previous model, GPT-5.6 Sol, was at 5.4%.On October 19 (local time), OpenAI announced that its ...

OpenAI: Deciphering the Spells Left Behind by Retired COBOL Programmers and Recanting Them in Modern Languages

On October 19, 2026, an announcement posted by OpenAI on X caught my eye. It stated that the latest AI models are now capable of executing software development and migration for older programming ...