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- 1Nace AI open-sources Drex 1.5 decision-scoring model▼Nace AI Open-Sources Drex 1.5: A 9B Decision Model That Scores Options, Not Text
Nace AI has released Drex 1.5 as an open-source model. Unlike typical language models that generate text, the 9-billion-parameter system is built to score and rank options, acting as a decision model for evaluating choices rather than producing prose. The open-source release means developers can inspect, adapt and deploy it themselves. Coverage so far focuses on the unusual positioning, as decision-scoring models remain a niche alternative to mainstream generative AI.