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About

Microsoft-Decision-1 is a fast decision-scoring model built for structured outputs that software can immediately act on. It is designed for routing, classification, prioritization, verification, and workflow control across applications, agents, and automated systems. The model is post-trained from Qwen3.5-9B for single-pass decision scoring and, when given a fixed set of answer options, returns a calibrated probability for each one. It supports yes/no, multiple-choice, rating, and rubric-based grading of AI responses and agent actions through a structured API. Microsoft evaluated the model across 36 benchmarks covering routing, ranking, long context, multilingual and out-of-distribution tasks, reasoning, and safety, and reports that it achieved the highest accuracy in that comparison while also delivering very low latency. The model is also designed for robustness, with testing focused on keeping decisions stable when prompts are paraphrased.

About

Prefactor is a real-time evaluation, observability, and reliability platform for production AI agents. It scores every run the moment it happens for quality, drift, cost, and data risk, then wires those evaluations into action so a failing agent is caught live instead of only appearing on a dashboard afterward. Teams can observe every model call, tool invocation, and decision as structured traces and spans, run LLM-as-judge, technical, qualitative, and custom evaluations on each step, and attach context from GitHub, Linear, Jira, databases, internal APIs, or other sources as ground truth. When a run crosses a defined threshold, Prefactor can block or throttle it, pause a sensitive action, or route it to a person for approval, modification, or rejection before execution, with every decision logged. The CLI discovers agents without a platform migration, while TypeScript and Python SDKs provide native support for LangChain, Claude, Vercel AI, OpenClaw, and LiveKit.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI engineering teams and developers seeking to make fast, calibrated routing, classification, scoring, verification, and workflow decisions inside applications and agentic systems

Audience

AI engineering and platform teams that need to evaluate, monitor, and improve production AI agents for quality, drift, risk, and cost in real time

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0.042 per 1M tokens
Free Version Not Supported
Free Trial Not Supported

Pricing

$250 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Microsoft
Founded: 1975
United States
commandline.microsoft.com/microsoft-decision-1-model-foundry/

Company Information

Prefactor
Australia
prefactor.tech/

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Categories

AI Decision Models Supported

Categories

Agentic AI Supported

Integrations

Active Directory Not Supported
Amazon S3 Not Supported
AutoGen Not Supported
Code Llama Not Supported
Cohere Not Supported
GitHub Copilot Not Supported
Google Cloud BigQuery Not Supported
Grafana Cloud Not Supported
Llama Not Supported
LlamaIndex Not Supported
Mastra AI Not Supported
MongoDB Not Supported
Python Not Supported
Render Not Supported
Semantic Kernel Not Supported
TypeScript Not Supported
Vercel AI Gateway Not Supported
Vercel AI SDK Not Supported
Visual Studio Code Not Supported
n8n Not Supported

Integrations

Active Directory Supported
Amazon S3 Supported
AutoGen Supported
Code Llama Supported
Cohere Supported
GitHub Copilot Supported
Google Cloud BigQuery Supported
Grafana Cloud Supported
Llama Supported
LlamaIndex Supported
Mastra AI Supported
MongoDB Supported
Python Supported
Render Supported
Semantic Kernel Supported
TypeScript Supported
Vercel AI Gateway Supported
Vercel AI SDK Supported
Visual Studio Code Supported
n8n Supported
Claim Microsoft-Decision-1 and update features and information
Claim Microsoft-Decision-1 and update features and information
Claim Prefactor and update features and information
Claim Prefactor and update features and information