AI Model Release Tracker: GPT-5.6 rivals Fable 5, Muse Spark 1.1 pursues 'personal intelligence' Follow ZDNET: Add us as a preferred source on Google. AI labs are shipping new models nonstop. Besides being better and faster than their predecessors, every new model isn't guaranteed to be a major step change, despite how the company's PR may wax poetic about them. Model strengths really emerge in co...