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Jev structured output decision models launch
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Jev 1.13 introduces structured output decision models, a new category of LLM systems designed for deterministic, typed outputs. The release includes JevBench, a reproducible benchmark for evaluating these models, and has prompted discussion around this emerging "System One" architecture for decision-making tasks.
- Jev 1.13 released with focus on structured output decision models
- JevBench benchmark created for reproducible evaluation of typed decision models
- Simon Willison published analysis framing decision models as a new LLM category called "System One"
- Developer built a composite LLM using 521 individual Jev models