TypeSafeAI launches Jev, a foundation model claiming 20-200x speed and 40-400x cost gains

hardimanjames · x · 2026-09-17

TypeSafeAI founder Diogo, who describes himself as a ChatGPT co-inventor, announced Jev, a new frontier model trained with a method he calls RLCD. Marketed as "composable intelligence optimized for decisions," it claims 20-200x faster inference, 40-400x lower cost with free output tokens. Claims are self-reported and unverified.

Related event: Stealth startup TypeSafe launches decision model Jev with new RLCD training method(74 posts)→

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