Decision models vs. generative models
The two model types can work together. A decision model can classify a request, select an agent or model, or gate an action before a generative model produces an open-ended result.
Why use a decision model
- Structured by construction — downstream code receives a bounded answer instead of prose that must be parsed.
- Caller-defined outcomes — your application controls the permitted labels, routes, or levels.
- Explicit uncertainty — probabilities and confidence let you automate clear cases and send ambiguous cases to a fallback or review path.
Explore Fastino decision models
GLiDE
Ask typed Noul, Choice, and Score questions against text or structured application state.
GLiNER 2.5 Decide
Run schema-defined, single-label or multi-label classification over English text.
GLiNER 2.5 Multi
Extract entities, relations, and records from text in any supported language.

