Claude Daily Driver Frustrations: Fable vs Opus Instability

Fjusc · reddit · 2026-08-21

A heavy Claude user shares a frustrating experience: despite preferring Claude over Codex, Kimi, or Grok for continuity and creativity, the dynamic between Fable and Opus is unbearable. He describes the unpredictable resets and behavior swings as engaging with a "bipolar person," taking a toll on mental health. Optimization attempts like system prompts have failed to fix the underlying instability.

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