Microsoft-Decision-1 runs on Alibaba’s Qwen and costs $0.042 a million

Microsoft has released Microsoft-Decision-1, a small model that picks between fixed answer options instead of writing text. Microsoft built it on Alibaba’s open-weight Qwen3.5-9B and then post-trained it, according to the Foundry model card. Achint Srivastava, a vice president of software…