Nace AI open-sources 9B decision model Drex 1.5, scoring options instead of generating text
Nace AI open-sources 9B decision model Drex 1.5, which outputs probabilities for each option after reading state and typed questions, without generating text. It scored 58.08 on the public Decision Index 0.3.1, placing it in the same range as the closed-source model Jev 1.13.0 (57.96). Weights are available on Hugging Face, and the hosted version is priced on OpenRouter at $0.04 per 1M input tokens and $0 for output.
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