Models on Lines of Defence https://linesofdefence.com/tags/models/ Recent content in Models on Lines of Defence Hugo -- 0.140.0 en-us Thu, 01 Oct 2026 00:00:00 +0000 Beyond Text Output - How TypeSafe Jev Replaces Conversational LLMs with Raw Probabilities https://linesofdefence.com/note/jev/ Thu, 01 Oct 2026 00:00:00 +0000 https://linesofdefence.com/note/jev/ <p>Developed by TypeSafe AI, Jev is a specialised decision-making AI model. The company was founded by former OpenAI researcher <a href="https://typesafe.ai/team">Diogo Almeida</a>, a co-inventor of RLHF and InstructGPT, alongside Erik Gafni and Sasha Sheng.</p> <p>Jev replaces standard conversational text - the typical output of LLMs such as Claude and ChatGPT - with raw probability scores tailored for software workflows. Because it skips generating bulky text outputs, it operates dramatically faster and at a fraction of the token cost of frontier models.</p>