Outdated Python Versions Cost Companies Millions

If your company is running Python applications on anything older than version 3.13, you’re likely burning money.

According to the JetBrains State of Python 2025 report, a staggering 83% of Python developers are running on versions that are a year old or older, with nearly half (48%) still on Python 3.11 and 27% on Python 3.10 or earlier.

But this is not just a technical debt problem. It is a financial hemorrhage bleeding out organizations’ cloud bills.

The Hidden Cost of ‘Good Enough’

The top reasons respondents gave for why they’re…