Early Tester: GPT-5.6 Sol Shines, Vastly Different from Fable
emollick · x · 2026-07-08
AI researcher Ethan Mollick revealed that he was an early tester for GPT-5.6 Sol under an NDA. He praised Sol as an outstanding model with capabilities on par with Fable, though it offers a distinctly different user experience. While Fable tends to be highly independent and works at its own pace, Sol is faster and focuses on step-by-step collaboration with the user.
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