# Amazon releases Strands Decider 2B, a Jev-inspired open-source decision model

Digest AI · Agents & Tools · published 2026-10-01T16:49:22Z · updated 2026-10-01T18:15:02Z

Canonical: https://digestai.news/story/amazon-releases-strands-decider-2b-a-jev-inspired-open-source-decision

## Summary

The model, developed by AWS distinguished engineer **Marc Brooker**, sorts predefined options and provides confidence scores for automated workflows. It runs locally and is part of AWS’s **Strands Labs** initiative, which focuses on AI agent deployment tools.

Brooker designed the model after experimenting with Jev and observing demand from AWS customers for faster, lower-cost alternatives to frontier LLMs. Strands Decider 2B uses the **Qen3.5-2B** torso but specializes in calibrated choices rather than text generation. TypeSafe’s **CEO Diogo Almeida** dismissed the rush of similar models, calling them more about architectural novelty than practical intelligence. The model is now available open-source, with AWS emphasizing its reliability, speed, and cost efficiency for structured decision-making tasks.

## Key points

- Built on Qen3.5-2B torso, it sorts predefined options with confidence scores for automated workflows, not text generation
- AWS says it addresses demand for lower-cost, faster alternatives to LLMs, with Brooker calling it a reliable workflow step

## Why it matters

Strands Decider 2B fills a niche for automated decision-making in agent workflows, offering speed and cost savings over LLMs. Its open-source release could accelerate adoption of specialized models beyond frontier AI.

## Sources

1. [Amazon releases its own Jev clone as decision models flood the web](https://techcrunch.com/2026/10/01/amazon-releases-its-own-jev-clone-as-decision-models-flood-the-web) (TechCrunch AI, 2026-10-01)
2. [Strands Labs, AWS's experimental agent-development project, unveils Strands Decider 2B, a free, open-source Jev competitor fine-tuned from an Alibaba Qwen base](https://venturebeat.com/technology/amazon-unveils-a-free-fast-open-source-jev-killer-strands-decider-2b-makes-decisions-in-fractions-of-a-second) (venturebeat.com, 2026-10-01)

Part of the developing story: [TypeSafe Jev Launch and Amazon Response](https://digestai.news/thread/typesafe-in-talks-to-raise-1b-at-10b-valuation) (4 stories)

## Cite

Digest AI, "Amazon releases Strands Decider 2B, a Jev-inspired open-source decision model", 1 October 2026, https://digestai.news/story/amazon-releases-strands-decider-2b-a-jev-inspired-open-source-decision

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