Jev announces full public opening—the "decision model"
Reported that TypeSafe AI opened Jev to the public and raised a $40M seed round led by DCVC.
The original post, translated
Jev announces full public opening—the "decision model" built by former OpenAI researchers removes the waitlist. TypeSafe AI ends its two-year stealth period, officially releases the Jev model, and simultaneously announces $40 million in seed funding led by DCVC. Jev is not a traditional chat large model. It is called by the company the first public "System
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Jev宣布全面开放——前OpenAI研究员打造的“决策模型”取消等待名单 TypeSafe AI结束两年潜行期，正式发布Jev模型，并同步宣布获得由DCVC领投的4000万美元种子轮融资。 Jev不是传统聊天大模型。它被公司称为第一款公开的“System
The post above is a machine translation from zh; the untranslated text is in the fold-out.
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under general Jev builds. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Browse the full case library for the work it sits next to.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post