Open-source replicas of JEV emerge within days

Days after JEV's launch, open-source replicas like Laya have matched or exceeded it. a16z's Andrew Chen notes US developers replicated the frontier model in days instead of the usual 6-12 months.

2026-09-19 ~ 2026-09-21 · 2 related posts

• OpenAI co-founder's 3-year secret model Jev overtaken by an open-source clone in 3 days — gaganghotra_ · 2026-09-19
• Andrew Chen: US devs shipping open-weight JEV alternatives within days, reversing the usual pattern — andrewchen · 2026-09-21