ChatGPT Co-Inventor Launches Jev After 2 Years in Stealth, Claiming 20-200x Speed and 40-400x Cost Gains
sedielem · x · 2026-09-16
Diogo (@CompleteSkeptic), who says he co-invented ChatGPT, unveiled RLCD, a new training method, and Jev, a new type of frontier AI model after two years in stealth. Claims: 20-200x faster, 40-400x cheaper with free output tokens.
- Focuses on "composable, programmable intelligence" built from layers of small inferences, optimized for decisions rather than chat
- He argues superhuman chat models haven't led to AGI and calls this the shortest path to an AI-driven economic revolution
- Will Depue and others amplified the launch, calling it a weird but ambitious idea worth tinkering with
- Performance figures are self-reported and not yet independently verified
Related event: TypeSafe exits stealth with decision model Jev and RLCD training method(86 posts)→
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