"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.

Note: these are self-reported launch claims without third-party verification.

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

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