From the source
Microsoft launched Microsoft-Decision-1, a model for fast decision scoring that returns calibrated probabilities for fixed options via a structured API.
It is available in Microsoft Foundry and will be on OpenRouter soon.
The model achieved the highest accuracy in a 36-benchmark evaluation and is 4.5 times faster than Quyet-1.0-Large and 35 times faster than GPT-6 Sol at P50 latency.
Pricing starts at $0.042 per million input tokens with free output tokens.