ChatGPT co-developer develops AI model "Jev" that processes
Shared a report that a ChatGPT co-developer built Jev, a non-LLM model running tasks cheaply and fast at GPT-5.6 Terra-level performance.
The original post, translated
ChatGPT co-developer develops AI model "Jev" that processes in a different way from LLMs, capable of executing tasks cheaply and ultra-fast with performance on the level of GPT-5.6 Terra
Show the original post in its source language ▾
"ChatGPT共同開発者がLLMとは異なる方法で処理するAIモデル「Jev」を開発、GPT-5.6 Terra級の性能でタスクを安価かつ超高速に実行可能"
The post above is a machine translation from ja; 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