Users Report Sharp Quality Drop in GPT-5.6 Max Reasoning

Users on X report that GPT-5.6 Sol in Max reasoning mode degraded sharply within hours, feeling like GPT-3.5, with repeated low-level errors across multiple tasks, prompting speculation that a new model may be to blame.

2026-09-03 ~ 2026-09-03 · 2 related posts

• User Slams GPT-5.6 Max Reasoning for Getting 'Stupid' Overnight, Speculates GPT 6 Astra Is Near — CtrlAltDwayne · 2026-09-03
• Users report GPT-5.6 Sol Max making repeated 'stupid' errors, speculating Astra launch is imminent — CtrlAltDwayne · 2026-09-03