Microsoft launches Decision-1, a model that scores decisions with probabilities instead of writing text, 35 times faster than GPT-6 Sol
On October 9, 2026, Microsoft introduced Microsoft-Decision-1, a small model derived from Qwen3.5-9B that returns calibrated probabilities for closed questions —yes or no, multiple choice or ratings— available in Microsoft Foundry and on OpenRouter for $0.042 per million input tokens.