"ChatGPT co-inventor" launches Jev, claiming 20-200x faster and 40-400x cheaper frontier model
altryne · x · 2026-09-21
A developer claiming to have co-invented ChatGPT announced Jev, a new "frontier" model, with a Latent Space podcast interview from swyx teased for tomorrow.
- After two years in stealth, he proposes a new training method (RLCD) and a new type of frontier AI model, arguing superhuman chat models alone haven't led to AGI.
- Claims: 20-200x faster, 40-400x cheaper (output tokens free), and "frontier composable intelligence optimized for decisions."
- He calls it the shortest path to an AI-based economic revolution.
Note: these are self-reported launch claims without third-party verification.
Related event: Ex-OpenAI researcher launches decision model Jev with bold speed claims(36 posts)→
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