Morning Edition · Sunday, October 11, 2026Published at 2:16 AM EDT · New York

Microsoft Ships Decision-1, a Qwen-Based Scorer That Returns Calibrated Option Probabilities at $0.042 per Million Tokens

Microsoft claims 83.5% accuracy across 36 held-out benchmarks and median latency 35 times lower than GPT-6 Sol, but critics say the test sets are unnamed and one raw timing comparison shrinks to 1.4 times.

Microsoft released Microsoft-Decision-1 in Foundry. The model does not generate free text. It takes a request and a fixed set of options and returns a calibrated probability for each option in a single forward pass. It is built on Qwen3.5-9…