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Developer reverted to the GPT-5.6 and Fable 5.1 combo, criticism of GPT-6-Astra's mood swings

A developer reverted to using the GPT-5.6 and Fable 5.1 pairing after experiencing problems with the GPT-6-Astra model; they described GPT-6-Astra as simultaneously “the smartest and the dumbest,” criticizing its unpredictable behavior and technically correct but unreasonable solutions.

Developer reverted to the GPT-5.6 and Fable 5.1 combo, criticism of GPT-6-Astra's mood swings

A developer reverted to using the GPT-5.6 and Fable 5.1 pairing after experiencing problems with the GPT-6-Astra model; they described GPT-6-Astra as simultaneously “the smartest and the dumbest,” criticizing its unpredictable behavior and technically correct but unreasonable solutions. The switch could affect reliability and development decisions.