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%.
Related event: GPT-5.6 Sol criticized for over-engineering code(2 posts)→
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