Launch HN: Hypercubic (YC F25) – AI for COBOL and Mainframes

Re:Launch HN: Hypercubic (YC F25) – AI for COBOL and Mainframes by Muromec on Monday November 10, 2025 @02:10PM (#45879575)

Rule of thumb — if a bank already was there and dealing with things 30 years ago, it likely has some cobol left.

Generalizing — if the company had enough need for it 30 years ago, was big enough to but a mainframe and the thing they used it for barely changes — chances are it’s still there, if the company is still there.

Banks absolutely do have it in house, in a dedicated secure site with a fence and a moat

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Re:Launch HN: Hypercubic (YC F25) – AI for COBOL and Mainframes by tapland on Monday November 10, 2025 @02:18PM (#45879682)

And insurance, and there are telcos still having boxes spinning. And places dealing with inventories or airlines and whatever, or healthcare. If databases helped and it was around before 1992 it might still be running some cobol.

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Re:Launch HN: Hypercubic (YC F25) – AI for COBOL and Mainframes by sai18 on Monday November 10, 2025 @08:50PM (#45883212)

This is accurate to what we've seen in the market.

If they were large enough to need compute 30-40+ years ago, they certainly have some mainframes running today. Think Walmart, United Airlines, JPMC, Geico, Coca Cola and so on.

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