Ex-OpenAI researcher's Jev: a System 1 model claiming 200x speed and no hallucinations

Fireship · youtube · 2026-09-22

Fireship covers Jev, a "System 1" AI model built in stealth for two years by ex-OpenAI researcher Diogo Almeida. It can't talk or write code, but claims 200x faster, 400x cheaper inference with zero hallucinations.

Related event: Ex-OpenAI researcher launches Jev, a System 1 decision model, now open to all(14 posts)→

Original post →

More from Models

Models channel →