Self-styled ChatGPT co-inventor launches 'Jev' model, skeptics call it a specialized diffusion model
mohbibi_ · x · 2026-09-16
An account claiming to be a co-inventor of ChatGPT launched Jev, a model trained with a new method called RLCD, claiming 20-200x speedups, 40-400x lower cost with free output tokens, and 'frontier composable intelligence optimized for decisions.' scaling01 quickly cautioned against the hype: Jev is not a general language model and can't generate free-form text — likely a specialized diffusion model outputting only a few primitives with predefined formats.
Related event: TypeSafe exits stealth with decision model Jev and RLCD training method(86 posts)→
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