Decision model – Definition & Meaning

Definition of decision model

: a fast, low-cost AI model that reads text or code and returns a choice, score, or probability from a fixed set of options, instead of writing free-form text
- We replaced the chatbot in our ticket router with a decision model, and each call now takes a fraction of a second.
- A decision model only answers 'approve', 'reject' or 'review', which makes its output easy to plug into code.

Origin & history

first known use2026

The category took off in September 2026 after the startup TypeSafe released Jev; within two weeks OpenAI and Amazon Web Services announced their own decision models, and many open-source versions followed.

Test yourself

Which of these is the meaning of decision model?

Related terms

large language model a very large neural network trained on huge amounts of text to predict the next token, which… structured output model output that follows a fixed, machine-readable format such as JSON with specific fields… small language model a compact language model, usually with a few billion parameters or fewer, designed to run… inference the act of running a trained model to produce an output, such as answering a prompt or… latency the delay between sending a request to a model and getting a response, often measured as time… agentic workflow a process in which one or more AI agents carry out a series of steps, such as research…

Cite this entry

"Decision model." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/decision-model/. Accessed 4 Oct. 2026.