---
id: "microsoft/microsoft-decision-1"
also: ["microsoft/microsoft-decision-1-20261009", "requesty/microsoft/microsoft-decision-1", "vercel/microsoft/microsoft-decision-1"]
cheapest_list_usd_per_m: "0.042 in, 0.0 out, at azure on openrouter"
cheapest_effective_usd_per_m: "0.0416 in, 0.0 out, at azure on openrouter"
context: 32768
max_output: 29491
input: ["text"]
output: ["decisions"]
released: "2026-10-09"
api: ["/api/alpha/decisions"]
params: ["max_tokens", "stop", "temperature"]
endpoints: 5
gateways: "requesty (3), openrouter (1), vercel (1)"
no_training: 5
trains: 0
retains_prompts: 0
---
# Microsoft: Microsoft-Decision-1

Microsoft Decision-1 is a text decision model from Microsoft AI for classification, routing, and evaluation. It answers yes/no questions, selects among predefined options, and scores inputs against custom criteria, returning calibrated probabilities and confidence values. With support for multiple questions per request and a 32,768-token context window, it helps developers triage support requests, guide automated workflows, and evaluate AI responses against a rubric.