Microsoft-Decision-1
- Family
- Microsoft-Decision
- Released
- 2026-10-09
- Context
- 33k
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Fine-tuned
Advancing the state-of-the-art in AI and computing.
Cheapest of 2 routes · Microsoft Foundry
About
Microsoft-Decision-1 is Microsoft's decision-scoring model, announced 2026-10-09 by Satya Nadella and generally available in Microsoft Foundry and through OpenRouter. It does not generate text: given a state (text or JSON) and typed questions, it returns a probability for a yes/no condition (noul), a selected option with a probability for every option (choice), or a position on an ordered scale (score), and it writes no rationale. Microsoft post-trained Qwen3.5-9B for single-pass decision scoring. Inputs are text-only, up to 32,768 tokens. In Foundry it deploys as Microsoft-Decision-1 (version 1, GlobalStandard, or DataZoneStandard in selected regions) and is called at /providers/microsoft/v1/systemone.
Provider price ladder
Compare all 2Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| Microsoft Foundry | $0.042 | Free | Serverless |
| OpenRouter | $0.042 | Free | Serverless |
Available via routers & gateways(5)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
Azure AI Foundry Model Router
RouterMicrosoft Azure AI Foundry's native model router that uses a trained ML model to route each prompt in real time to the optimal Azure-hosted model, with Balanced/Cost/Quality mode selection and automatic failover.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor Agents
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
API versions
Microsoft-Decision-1microsoft-decision-1microsoft/microsoft-decision-1Advancing the state-of-the-art in AI and computing.
Cheapest of 2 routes · Microsoft Foundry