Original sourceinfoq.com
Summary
AWS released two open-source AI agent development tools on October 16, 2026. Strands Decider 2B is a 2-billion-parameter model based on Qwen3.5-2B, with a pointer head and rank-16 LoRA fine-tuning, used to make decisions from predefined options in workflows and return confidence scores, covering mo…
Key points
- For teams pushing agents into production, this toolset splits 'choosing actions' and 'managing execution' into two independently governable components, more controllable than delegating both to the same model.
- Separating decisions from execution governance is a key architectural choice for making agents auditable and constrained in production environments.
- Developers can use small decision models to cut routing and tool selection costs, and use policy language to constrain agent behavior outside the model, such as requiring tests to pass before pushing code.
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