Engineers Can No Longer Understand the Code AI Writes

Developers increasingly struggle to comprehend AI-generated code: per Undo, 35% of it reaches production without being fully understood, and 94% of engineers had to "unpick" AI code in the past six months. OpenAI engineers reportedly couldn't grasp their own GPU kernel for DeepSeek.

• 35% of AI-generated code ships to production without full comprehension, per Undo
• 94% of engineers had to unpick AI code at least once in six months
• OpenAI engineers didn't understand their own GPU kernel for DeepSeek
• Amazon ran a 90-day "code safety reset" after a series of outages