Amazon Launches Strands Decider 2B Decision Model
An Open-Source Architectural Marvel
On October 1, the Amazon Strands Agents team proudly unveiled their latest artificial intelligence innovation. They officially launched the highly anticipated Strands Decider 2B model for global developers. The organization generously open-sourced this powerful tool on GitHub, making its neural weights readily accessible via Hugging Face. Furthermore, enthusiasts can seamlessly execute this model locally on standard desktop CPUs and GPUs.
Innovative Dual-Component Design
This sophisticated architecture cleverly builds upon the pre-trained Qwen3.5-2B foundational torso. Ingeniously, engineers replaced the traditional text-generating language model head with a highly specialized scoring pointer head. This novel component remains remarkably compact, possessing slightly over one million total parameters. Meanwhile, a precise rank-16 LoRA adapter meticulously fine-tunes the robust underlying torso. As Amazon releases its own Jev clone, the broader technology community eagerly anticipates its massive impact on localized machine learning workflows.
Exceptional Benchmark Performance
The Strands Decider 2B model demonstrates exceptional accuracy and superb calibration on the rigorous JevBench public dataset. Consequently, it proudly secures the third overall position among all 2B-class models. It effortlessly outperforms every single competitor strictly confined to the 2B parameter threshold.
Remarkable Local Processing Speeds
When operating locally on conventional consumer hardware, the model achieves an impressive median decision latency of merely 113 milliseconds. Specifically, when executing concise decision tasks on an NVIDIA GeForce RTX 3090 graphics processing unit, the median latency reaches a swift 153 milliseconds. Therefore, developers can confidently rely on this lightning-fast framework for responsive, real-time localized artificial intelligence processing.











