model-router
MicrosoftWelcome to the 2025-11-18 version of model router.
Model Router dynamically selects the optimal large language model (LLM) for a specific query or task in real time. By evaluating factors like query complexity, cost, and performance, it efficiently routes requests to the most suitable model, ensuring high quality results while minimizing costs.
This version adds several new capabilities:
- Support Global Standard and Data Zone Standard deployments.
- Adds support for new models:
gpt-5.6-sol,gpt-5.6-terra,gpt-5.6-luna,gpt-5.5,gpt-5.4,gpt-5.4-mini,gpt-5.4-nano,gpt-5.2,gpt-4o,gpt-4o-mini,gpt-oss-120b,claude-opus-4-8,claude-opus-4-7,claude-opus-4-6,claude-sonnet-4-5,claude-haiku-4-5,grok-4-1-fast-reasoning,grok-4,DeepSeek-V3.2andLlama-4-Maverick-17B-128E-Instruct-FP8. - Support for agentic scenarios including tools so you can now use it in the Foundry Agent service.
- Quick deploy or Custom deploy with routing mode and model subset selections.
- Routing mode: Optimize the routing logic for your needs. Supported options: Quality, Cost, Balanced (default).
- Model subset: Select your models to create your model subset for routing.
For the latest information, reference the Model router documentation
Supported regions
Australia East, Brazil South, Canada East, Central US, East US, East US 2, France Central, Germany West Central, Italy North, Japan East, Japan West, Korea Central, North Central US, Poland Central, South Africa North, South Central US, South India, Southeast Asia, Spain Central, Sweden Central, Switzerland North, Switzerland West, UK South, UK West, West Central US, West Europe, West US, West US 3.
Supported models
| Router Version | Model | Model version |
|---|---|---|
| 2025-11-18 | gpt-5.6-sol | 2026-07-09 |
| gpt-5.6-terra | 2026-07-09 | |
| gpt-5.6-luna | 2026-07-09 | |
| gpt-5.5 | 2026-04-24 | |
| gpt-5.4 | 2026-03-05 | |
| gpt-5.4-mini | 2026-03-17 | |
| gpt-5.4-nano | 2026-03-17 | |
| gpt-5.2 | 2025-12-11 | |
| gpt-5 | 2025-08-07 | |
| gpt-5-mini | 2025-08-07 | |
| gpt-5-nano | 2025-08-07 | |
| o4-mini | 2025-04-16 | |
| gpt-4.1 | 2025-04-14 | |
| gpt-4.1-mini | 2025-04-14 | |
| gpt-4.1-nano | 2025-04-14 | |
| gpt-4o | 2024-11-20 | |
| gpt-4o-mini | 2024-07-18 | |
| gpt-oss-120b | 1 | |
| claude-opus-4-8 | 1 | |
| claude-opus-4-7 | 1 | |
| claude-opus-4-6 | 1 | |
| claude-sonnet-4-5 | 20250929 | |
| claude-haiku-4-5 | 20251001 | |
| grok-4-1-fast-reasoning | 1 | |
| grok-4 | 1 | |
| DeepSeek-V3.2 | 1 | |
| Llama-4-Maverick-17B-128E-Instruct-FP8 | 1 |
