model-router
A Microsoft-built classifier that picks the cheapest adequate underlying model (GPT-4.1 series, o4-mini, GPT-5 reasoning models, gpt-5-chat) per request; there is no router surcharge — you pay whatever the chosen model costs, so it is a cost lever rather than a priced model.
Data checked 2026-09-06
Microsoft
ga
model-router
- Context window
- 200K tokens in
- Max output
- 128K tokens out
- Input
- — per 1M tokens
- Output
- — per 1M tokens
- Released
- 2025-11-18
- Licence
- proprietary
A What it is for
Version 2025-11-18 is GA until 2027-05-20; requests over ~200K context only succeed if routed to a large-context model.
B Capabilities
tools vision streaming
| Input modalities | text, image |
|---|---|
| Output modalities | text |
C Others from Microsoft
| Model | Context | Max out | In $/M | Out $/M | Blended | Status |
|---|---|---|---|---|---|---|
MAI-Thinking-1
MAI-Thinking-1
|
256K | 64K | $2.00 | $8.00 | $3.50 | preview |
MAI-Cyber-1-Flash
MAI-Cyber-1-Flash
|
— | — | $0.60 | $3.50 | $1.32 | preview |
MAI-Image-2.6
MAI-Image-2.6
|
32K | — | — | — | — | preview |
MAI-Image-2.6-Flash
MAI-Image-2.6-Flash
|
32K | — | — | — | — | preview |
MAI-Image-2.5-Pro
MAI-Image-2.5-Pro
|
32K | — | $5.00 | $106.00 | $30.25 | preview |
MAI-Image-2.5
MAI-Image-2.5
|
32K | — | $5.00 | $47.00 | $15.50 | preview |
MAI-Image-2.5-Flash
MAI-Image-2.5-Flash
|
32K | — | $1.75 | $19.50 | $6.19 | preview |
MAI-Voice-2
MAI-Voice-2
|
— | — | — | — | — | preview |
MAI-Voice-2-Flash
MAI-Voice-2-Flash
|
— | — | — | — | — | preview |
MAI-Voice-1
MAI-Voice-1
|
— | — | — | — | — | deprecated |
MAI-Transcribe-2
MAI-Transcribe-2
|
— | — | — | — | — | preview |
MAI-Transcribe-1.5
MAI-Transcribe-1.5
|
— | — | — | — | — | preview |
D Verify before you commit
Model pricing changes without notice and this page is a snapshot. Confirm against the vendor's own page before you build a budget on it.
Source: learn.microsoft.com · checked 2026-09-06 · Microsoft pricing · API docs