GPT-5.6 vs Fable: Hands-On Comparison
MatthewBerman · x · 2026-07-10
The author noted they have been internally testing GPT-5.6 Sol for two months, running through over 250 亿 tokens, and compared it directly with Fable 5.
They found GPT-5.6 to be exceptionally strong in sustained work sessions, browser interactions, complex project execution, and desktop app control, making it ideal for tasks with a clear endpoint. Meanwhile, Fable acts more like a rising star on a "new training track," showing massive potential but occasional hiccups.
Related event: GPT-5.6 Tested: Major Coding Leap and Direct Rival to Fable 5(30 posts)→
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