GPT 5.6 over-engineers badly; one 80/20 prompt cuts its LOC estimate 75-90%

robleclerc · x · 2026-08-25

Users report GPT 5.6 has a serious over-engineering problem in coding tasks, often proposing far more implementation than needed. A practical mitigation: tell it to "apply the 80/20 rule, perfect is the enemy of good" — this typically reduces its lines-of-code estimate by 75–90%.

Original post →

More from coding & agent

coding & agent channel →