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Polski(PL) Nace.AI udostępniło wagi wyspecjalizowanego modelu decyzyjnego Drex 1.5. Zamiast generować tekst, system ocenia wyłącznie wskazane przez użytkownika opcje, osią

Nace AI releases Drex 1.5, a 9B decision model for agents · 4 sources tracked

By PulseAugur Editorial · [4 sources] ·

Nace.AI has released Drex 1.5, an open-source 9 billion parameter decision model designed for agents and backend workflows. Unlike traditional language models, Drex 1.5 evaluates a fixed set of options based on a given state and typed questions, returning probabilities for each choice. The model achieves a score of 58.08 on the Decision Index 0.3.1 benchmark, positioning it as a top performer among models under 10 billion parameters. Its architecture is based on a distilled Qwen 3.5 9B model, and it supports context windows up to 128,000 tokens. AI

IMPACT This specialized decision model could streamline agent workflows and backend processes by providing direct option scoring rather than text generation.

RANK_REASON Open-source release of a new model with performance benchmarks.

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 4 sources. How we write summaries →

Nace AI releases Drex 1.5, a 9B decision model for agents · 4 sources tracked

How we ranked this

Signal score
2 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Frontier Release
Open-source release of a new model with performance benchmarks.
Source corroboration
4 independent sources
Strong cross-source corroboration — multiple independent publishers covered this within the clustering window.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
1 days old
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Full methodology in our editorial standards.

COVERAGE [4]

  1. MarkTechPost TIER_1 English(EN) · Asif Razzaq ·

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

    <p>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.</p> <p>The post <a href="https://www.marktechpost.com/2026/10/09/nace-ai-open-sources-drex…

  2. Mastodon — mastodon.social TIER_1 Polski(PL) · aisight ·

    Nace.AI released weights for the specialized decision-making model Drex 1.5. Instead of generating text, the system exclusively evaluates user-specified options, achieving

    Nace.AI udostępniło wagi wyspecjalizowanego modelu decyzyjnego Drex 1.5. Zamiast generować tekst, system ocenia wyłącznie wskazane przez użytkownika opcje, osiągając w Decision Index wynik zbliżony do zamkniętego modelu Jev. # si # ai # sztucznainteligencja # wiadomości # informa…

    LINKS aisight.pl/…/drex-1-5-model-decyzyjny-kon… aisight.pl/…/generatory-obrazow-ai-stereo…
  3. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    NACE AI has open-sourced Drex 1.5, a 9B decision model that scores fixed answer options rather than generating text. The model is aimed at routing, classificati

    NACE AI has open-sourced Drex 1.5, a 9B decision model that scores fixed answer options rather than generating text. The model is aimed at routing, classification and agent control tasks. https://www. marktechpost.com/2026/10/09/na ce-ai-open-sources-drex-1-5-a-9b-decision-model-…

    LINKS marktechpost.com/…/nace-ai-open-sources-d…
  4. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    📰 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 probabi

    📰 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. 📰 Source: …

    LINKS marktechpost.com/…/nace-ai-open-sources-d…

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