Audience

Developers and AI engineering teams needing to make fast, confidence-calibrated routing, classification, scoring, guardrail, and tool-use decisions inside agentic workflows

About Strands Decider

Strands Decider is a small, fast decision model, or System One model, built for agentic AI workflows. Unlike an LLM that generates arbitrary text, it chooses between predefined options, answers yes-or-no questions, or rates inputs on an ordered scale. Each decision includes calibrated confidence, making it possible to send uncertain cases to a larger model or a human while handling routine decisions quickly. The first model in the family, strands-decider-2B, has 1.9 billion parameters and is based on a Qwen3.5-2B-Base torso with its language-modeling head replaced by a lightweight pointer head. It evaluates answers in one forward pass without text generation or a decoding loop. Supported decision types include choice, noul for probability-of-true questions, and score for ordered scales. The model is designed for tasks such as model routing, tool selection, tool-argument checking, request triage, grounding and safety guardrails, policy classification, and low-cost evaluation.

Pricing

Starting Price:
Free
Free Version:
Free Version available.

Integrations

API:
Yes, Strands Decider offers API access

Ratings/Reviews

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Company Information

Strands Labs
United States
github.com/strands-labs/strands-decider

Videos and Screen Captures

Strands Decider Screenshot 1
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Product Details

Platforms Supported
Mac
Linux
Training
Documentation
Support
Online

Strands Decider Frequently Asked Questions

Q: What kinds of users and organization types does Strands Decider work with?
Q: What languages does Strands Decider support in their product?
Q: What kind of support options does Strands Decider offer?
Q: Does Strands Decider have an API?
Q: What type of training does Strands Decider provide?
Q: How much does Strands Decider cost?

Strands Decider Product Features