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

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 Mark…

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Timeline · 2 reports

  1. 2026-10-10 04:59 · r/machinelearningnews
    Nace.AI open-sources Drex 1.5: a 9B decision model that returns probabilities instead of text, tied with closed Jev on Decision Index 0.3.1
  2. 2026-10-10 04:51 · MarkTechPost
    Nace AI Open-Sources Drex 1.5: A 9B Decision Model That Scores Options, Not Text

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