Nace AI Open-Sources Drex 1.5: A 9B Decision Model That Scores Options, Not Text

MarkTechPostOctober 10, 2026en

Nace.AI has open-sourced Drex 1.5, a 9B decision model that returns a probability for every option in 1 forward pass. It scores 58.08 on Decision Index 0.3.1 and reads up to 128K tokens. The post Nace AI Open-Sources Drex 1.5: A 9B Decision Model That Scores Options, Not Text appeared first on MarkTechPost .

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